Llewellyn; David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Llewellyn; David.The latest application filed is for "bat system with performance limiting structure and methods of making same".
Company Profile
5.65.20
- Llewellyn; David - Norcross GA
- Llewellyn; David - Duluth GA
- Llewellyn; David - West Bloomfield MI
- Llewellyn; David - Vancouver CA
Patent Activity
| Patent | Date |
|---|---|
| Bat System With Performance Limiting Structure And Methods Of Making Same App 20210220713 - Kikuchi; Kohei ; et al. | 2021-07-22 |
| Wave Sole For A Golf Club Head App 20210170243 - Llewellyn; David ; et al. | 2021-06-10 |
| Bat system with performance limiting structure and methods of making same Grant 10,967,235 - Kikuchi , et al. April 6, 2 | 2021-04-06 |
| Wave sole for a golf club head Grant 10,926,141 - Llewellyn , et al. February 23, 2 | 2021-02-23 |
| Bat System With Performance Limiting Structure And Methods Of Making Same App 20200129823 - Kikuchi; Kohei ; et al. | 2020-04-30 |
| Wave Sole For A Golf Club Head App 20200038723 - Llewellyn; David ; et al. | 2020-02-06 |
| Vibration damping bat and methods of making the same Grant 10,245,488 - Kays , et al. | 2019-04-02 |
| Adjustable metal wood golf club head with moveable weight structure Grant 10,159,880 - Mine , et al. Dec | 2018-12-25 |
| Forged Slotted Iron Golf Club App 20180056151 - Doi; Kazuhiro ; et al. | 2018-03-01 |
| Multi-track adjustable golf club Grant 9,597,563 - Voshall , et al. March 21, 2 | 2017-03-21 |
| Forged Slotted Iron Golf Club App 20170036076 - Doi; Kazuhiro ; et al. | 2017-02-09 |
| Wave Sole For A Golf Club Head App 20160325155 - Llewellyn; David ; et al. | 2016-11-10 |
| Adjustable golf club Grant 9,333,399 - Llewellyn , et al. May 10, 2 | 2016-05-10 |
| Multi-track Adjustable Golf Club App 20150297961 - Voshall; Chris ; et al. | 2015-10-22 |
| Wave Sole For A Golf Club Head App 20150238826 - Llewellyn; David ; et al. | 2015-08-27 |
| Iron-type golf club head Grant D736,875 - Llewellyn , et al. August 18, 2 | 2015-08-18 |
| Iron-type golf club head Grant D736,872 - Llewellyn , et al. August 18, 2 | 2015-08-18 |
| Iron-type golf club head Grant D720,417 - Delvac , et al. December 30, 2 | 2014-12-30 |
| Iron-type golf club head Grant D720,416 - Delvac , et al. December 30, 2 | 2014-12-30 |
| Iron-type golf club head Grant D720,026 - Llewellyn , et al. December 23, 2 | 2014-12-23 |
| Adjustable Golf Club App 20140080617 - Llewellyn; David ; et al. | 2014-03-20 |
| Iron-type golf club head Grant D682,961 - Llewellyn , et al. May 21, 2 | 2013-05-21 |
| Iron-type golf club head Grant D682,962 - Llewellyn , et al. May 21, 2 | 2013-05-21 |
| Wood-type golf club Grant D669,546 - Llewellyn , et al. October 23, 2 | 2012-10-23 |
| Iron-type golf club Grant D664,621 - Llewellyn , et al. July 31, 2 | 2012-07-31 |
| Failure mode effects mitigation in drive-by-wire systems Grant 8,234,045 - Spadafora , et al. July 31, 2 | 2012-07-31 |
| Iron-type golf club Grant D660,390 - Llewellyn May 22, 2 | 2012-05-22 |
| Iron-type golf club Grant D659,780 - Llewellyn , et al. May 15, 2 | 2012-05-15 |
| Hybrid-type golf club head Grant D650,876 - Llewellyn , et al. December 20, 2 | 2011-12-20 |
| Iron-type golf club head Grant D650,878 - Llewellyn , et al. December 20, 2 | 2011-12-20 |
| Iron-type golf club head Grant D650,877 - Llewellyn , et al. December 20, 2 | 2011-12-20 |
| Iron golf club heads and golf club sets with variable weight distribution Grant 8,021,246 - Llewellyn , et al. September 20, 2 | 2011-09-20 |
| Iron-type golf club Grant D645,103 - Llewellyn , et al. September 13, 2 | 2011-09-13 |
| Golf club head and golf clubs Grant 8,016,694 - Llewellyn , et al. September 13, 2 | 2011-09-13 |
| Wood-type golf club head Grant D641,817 - Llewellyn , et al. July 19, 2 | 2011-07-19 |
| Iron-type golf club head Grant D641,821 - Llewellyn , et al. July 19, 2 | 2011-07-19 |
| Iron-type golf club head Grant D641,444 - Llewellyn , et al. July 12, 2 | 2011-07-12 |
| Iron golf club heads and golf club sets with variable weight distribution Grant 7,972,222 - Llewellyn , et al. July 5, 2 | 2011-07-05 |
| Wood-type golf club Grant D639,363 - Llewellyn , et al. June 7, 2 | 2011-06-07 |
| Golf Club Head And Golf Clubs App 20110009209 - LLEWELLYN; DAVID ; et al. | 2011-01-13 |
| Iron-type golf club Grant D629,061 - Llewellyn , et al. December 14, 2 | 2010-12-14 |
| Substituted thieno[3,2-d]pyridines as inhibitors of the VEGF receptor and HGF receptor Grant 7,772,247 - Vaisburg , et al. August 10, 2 | 2010-08-10 |
| Wood-type golf club heads and methods of adjusting the same Grant 7,758,440 - Llewellyn , et al. July 20, 2 | 2010-07-20 |
| Back design for hybrid golf club heads Grant D620,063 - Llewellyn , et al. July 20, 2 | 2010-07-20 |
| Back design for iron golf club heads Grant D619,183 - Llewellyn , et al. July 6, 2 | 2010-07-06 |
| Back design for iron golf club heads Grant D619,184 - Llewellyn , et al. July 6, 2 | 2010-07-06 |
| Iron Golf Club Heads And Golf Club Sets With Variable Weight Distribution App 20100167834 - Llewellyn; David ; et al. | 2010-07-01 |
| Iron Golf Club Heads And Golf Club Sets With Variable Weight Distribution App 20100160067 - LLEWELLYN; DAVID ; et al. | 2010-06-24 |
| Fairway wood-type golf club head Grant D618,295 - Llewellyn , et al. June 22, 2 | 2010-06-22 |
| Driver-type golf club head Grant D617,858 - Llewellyn , et al. June 15, 2 | 2010-06-15 |
| Hybrid golf club head Grant D617,859 - Llewellyn , et al. June 15, 2 | 2010-06-15 |
| Driver-type golf club head Grant D617,403 - Llewellyn , et al. June 8, 2 | 2010-06-08 |
| Failure Mode Effects Mitigation In Drive-by-wire Systems App 20100076650 - Spadafora; William ; et al. | 2010-03-25 |
| Back design for an iron golf club head Grant D611,554 - Llewellyn , et al. March 9, 2 | 2010-03-09 |
| Back design for an iron golf club head Grant D606,606 - Llewellyn , et al. December 22, 2 | 2009-12-22 |
| Back design for an iron golf club head Grant D603,923 - Llewellyn , et al. November 10, 2 | 2009-11-10 |
| Golf club head and golf club Grant 7,611,424 - Nagai , et al. November 3, 2 | 2009-11-03 |
| Back design for an iron golf club head Grant D600,765 - Llewellyn , et al. September 22, 2 | 2009-09-22 |
| Back design for an iron golf club head Grant D600,766 - Llewellyn , et al. September 22, 2 | 2009-09-22 |
| Trial golf club for measuring loft angle and methods for using the same Grant 7,517,286 - Nagai , et al. April 14, 2 | 2009-04-14 |
| Wood-type Golf Club Heads And Methods Of Adjusting The Same App 20090048037 - Llewellyn; David ; et al. | 2009-02-19 |
| Crown for a hybrid golf club Grant D579,507 - Llewellyn , et al. October 28, 2 | 2008-10-28 |
| Golf Club Head And Golf Club App 20080194354 - Nagai; Masao ; et al. | 2008-08-14 |
| Inhibitors of DNA Methyltransferase App 20080132525 - Wahhab; Amal ; et al. | 2008-06-05 |
| Trial Golf Club For Measuring Loft Angle And Methods For Using The Same App 20080085779 - Nagai; Masao ; et al. | 2008-04-10 |
| Golf club wood head Grant D564,611 - Llewellyn , et al. March 18, 2 | 2008-03-18 |
| Golf club wood head Grant D561,284 - Nagai , et al. February 5, 2 | 2008-02-05 |
| Back design for a golf club iron head Grant D561,285 - Llewellyn , et al. February 5, 2 | 2008-02-05 |
| Lower back portion of a golf iron Grant D550,796 - Nagai , et al. September 11, 2 | 2007-09-11 |
| Recessed back portion of a golf iron Grant D550,316 - Nagai , et al. September 4, 2 | 2007-09-04 |
| Recessed back portion of a golf iron Grant D549,295 - Nagai , et al. August 21, 2 | 2007-08-21 |
| Back design for a golf club iron head Grant D529,974 - Nagai , et al. October 10, 2 | 2006-10-10 |
| Back design for a golf club iron head Grant D521,095 - Nagai , et al. May 16, 2 | 2006-05-16 |
| Inhibitors of VEGF receptor and HGF receptor signaling App 20060074056 - Vaisburg; Arkadii ; et al. | 2006-04-06 |
| Back of a golf club head Grant D466,961 - Nagai , et al. December 10, 2 | 2002-12-10 |
| Rear inset of a golf club head Grant D466,576 - Nagai , et al. December 3, 2 | 2002-12-03 |
| Sole for a golf club wood Grant D461,865 - Nagai , et al. August 20, 2 | 2002-08-20 |
| Golf Club Head With Bounce Channel App 20020094882 - Nagai, Masao ; et al. | 2002-07-18 |
| Golf club head with bounce channel Grant 6,416,422 - Nagai , et al. July 9, 2 | 2002-07-09 |
| Recessed back portion of a golf club head Grant D449,086 - Nagai , et al. October 9, 2 | 2001-10-09 |
| Sole portion for a golf club head Grant D446,567 - Nagai , et al. August 14, 2 | 2001-08-14 |
| Recessed back portion of a golf club head Grant D428,634 - Nagai , et al. July 25, 2 | 2000-07-25 |
| Recessed back portion of a golf club head Grant D428,635 - Nagai , et al. July 25, 2 | 2000-07-25 |
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