Barnett; Ralph Lipsey
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barnett; Ralph Lipsey.The latest application filed is for "safety grip control for telescoping sheet lifters".
- Barnett; Ralph Lipsey - Wilmette IL
| Patent | Date |
|---|---|
| Safety grip control for telescoping sheet lifters Grant 10,781,057 - Barnett Sept | 2020-09-22 |
| Heating pad Grant 10,660,790 - Barnett , et al. | 2020-05-26 |
| Safety Grip Control For Telescoping Sheet Lifters App 20190016542 - BARNETT; Ralph Lipsey | 2019-01-17 |
| Heating Pad App 20180168854 - Barnett; Ralph Lipsey ; et al. | 2018-06-21 |
| Anti-tip roller Grant 9,717,338 - Barnett August 1, 2 | 2017-08-01 |
| Auto-deploying Vertical Band Saw Guard App 20170203466 - BARNETT; Ralph Lipsey | 2017-07-20 |
| Heating Pad App 20170048926 - Barnett; Ralph Lipsey ; et al. | 2017-02-16 |
| Outrigger stabilizer Grant 9,532,650 - Barnett January 3, 2 | 2017-01-03 |
| Heating pad Grant 9,504,602 - Barnett , et al. November 29, 2 | 2016-11-29 |
| Anti-tip Roller App 20150132097 - BARNETT; Ralph Lipsey | 2015-05-14 |
| File Cabinet Elastic Footprint Extender App 20150130342 - BARNETT; Ralph Lipsey | 2015-05-14 |
| Outrigger Stabilizer App 20150130339 - BARNETT; Ralph Lipsey | 2015-05-14 |
| Heating Pad App 20140074196 - Barnett; Ralph Lipsey ; et al. | 2014-03-13 |
| Double wheel chock frame Grant 7,185,744 - Barnett March 6, 2 | 2007-03-06 |
| Limited movement roller system Grant 7,172,203 - Barnett February 6, 2 | 2007-02-06 |
| Drain cover Grant 6,988,282 - Barnett , et al. January 24, 2 | 2006-01-24 |
| Double wheel chock frame App 20050167209 - Barnett, Ralph Lipsey | 2005-08-04 |
| Limited movement roller system App 20050169560 - Barnett, Ralph Lipsey | 2005-08-04 |
| Interlocked drain cover Grant 6,865,755 - Barnett March 15, 2 | 2005-03-15 |
| Drain cover App 20040210999 - Barnett, Ralph Lipsey ; et al. | 2004-10-28 |
| Interlocked drain cover App 20040139541 - Barnett, Ralph Lipsey | 2004-07-22 |
| Drain cover Grant 6,738,994 - Barnett , et al. May 25, 2 | 2004-05-25 |
| Counter-latch for a self-dumping hopper Grant 6,733,225 - Barnett , et al. May 11, 2 | 2004-05-11 |
| Counter-latch for a self-dumping hopper App 20040076497 - Barnett, Ralph Lipsey ; et al. | 2004-04-22 |
| Drain cover App 20030208839 - Barnett, Ralph Lipsey ; et al. | 2003-11-13 |
| Anti-slide out devices for straight and extension ladders Grant 6,629,582 - Barnett October 7, 2 | 2003-10-07 |
| Anti-slide out devices for straight and extension ladders App 20020125071 - Barnett, Ralph Lipsey | 2002-09-12 |
| Anti-slide Out Devices For Straight And Extension Ladders App 20020070078 - Barnett, Ralph Lipsey | 2002-06-13 |
| Water conservation system for humidifiers App 20020070465 - Harvel, Gerald Stephen ; et al. | 2002-06-13 |
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