Chenvainu; Alexander T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chenvainu; Alexander T..The latest application filed is for "toothbrushes".
- Chenvainu; Alexander T. - Sudbury MA US
- Chenvainu; Alexander T. - Brookline MA
| Patent | Date |
|---|---|
| Toothbrushes Grant 8,695,149 - Braun , et al. April 15, 2 | 2014-04-15 |
| Toothbrushes Grant 8,621,698 - Chenvainu , et al. January 7, 2 | 2014-01-07 |
| Valves for personal care devices Grant 8,444,416 - Chenvainu , et al. May 21, 2 | 2013-05-21 |
| Oral care device Grant 8,317,424 - Chenvainu , et al. November 27, 2 | 2012-11-27 |
| Toothbrushes App 20110179595 - Chenvainu; Alexander T. ; et al. | 2011-07-28 |
| Toothbrushes App 20110173765 - Braun; Phillip M. ; et al. | 2011-07-21 |
| Toothbrush head Grant 7,975,344 - Braun , et al. July 12, 2 | 2011-07-12 |
| Toothbrushes Grant 7,958,589 - Braun , et al. June 14, 2 | 2011-06-14 |
| Toothbrushes Grant 7,941,886 - Chenvainu , et al. May 17, 2 | 2011-05-17 |
| Toothbrushes Grant 7,934,284 - Braun , et al. May 3, 2 | 2011-05-03 |
| Valves For Personal Care Devices App 20100218378 - Chenvainu; Alexander T. ; et al. | 2010-09-02 |
| Toothbrushes App 20090282628 - Braun; Phillip M. ; et al. | 2009-11-19 |
| Toothbrush App 20090172900 - Brown, JR.; William R. ; et al. | 2009-07-09 |
| Toothbrush head App 20070251040 - Braun; Phillip M. ; et al. | 2007-11-01 |
| Fluid couplings App 20070017582 - Chenvainu; Alexander T. ; et al. | 2007-01-25 |
| Valves for personal care devices App 20060240380 - Chenvainu; Alexander T. ; et al. | 2006-10-26 |
| Head and neck unit of a toothbrush Grant D526,487 - Chenvainu , et al. August 15, 2 | 2006-08-15 |
| Oral care systems, oral care devices and methods of use App 20060078844 - Goldman; Paul D. ; et al. | 2006-04-13 |
| Oral care device App 20050271531 - Brown, William R. JR. ; et al. | 2005-12-08 |
| Oral care device App 20050272002 - Chenvainu, Alexander T. ; et al. | 2005-12-08 |
| Toothbrushes App 20050060822 - Chenvainu, Alexander T. ; et al. | 2005-03-24 |
| Insert molding razor cartridges Grant 6,852,262 - Brown, Jr. , et al. February 8, 2 | 2005-02-08 |
| Toothbrush head Grant D501,605 - Brown, Jr. , et al. February 8, 2 | 2005-02-08 |
| Shaving systems Grant 6,839,968 - Brown, Jr. , et al. January 11, 2 | 2005-01-11 |
| Oral devices Grant 6,826,797 - Chenvainu , et al. December 7, 2 | 2004-12-07 |
| Toothbrushes App 20040154112 - Braun, Phillip M. ; et al. | 2004-08-12 |
| Insert molding razor cartridges App 20030209829 - Brown, William R. JR. ; et al. | 2003-11-13 |
| Shaving systems App 20030208907 - Brown, William R. JR. ; et al. | 2003-11-13 |
| Surface conforming shaving razor and handle therefor Grant 6,598,303 - Bosy , et al. July 29, 2 | 2003-07-29 |
| Surface conforming shaving razor and handle therefor App 20020078575 - Bosy, Brian J. ; et al. | 2002-06-27 |
| Surface conforming shaving razor and handle therefor Grant 6,308,416 - Bosy , et al. October 30, 2 | 2001-10-30 |
| Shaving razor Grant D435,316 - Chenvainu , et al. December 19, 2 | 2000-12-19 |
| Razor handle Grant D435,144 - Chenvainu , et al. December 12, 2 | 2000-12-12 |
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