loadpatents
Patent applications and USPTO patent grants for Tamkin; John Michael.The latest application filed is for "optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products".
Patent | Date |
---|---|
Optical Products, Masters For Fabricating Optical Products, And Methods For Manufacturing Masters And Optical Products App 20220276501 - Rich; Christopher Chapman ;   et al. | 2022-09-01 |
Optical Switch Devices App 20220237979 - Rich; Christopher Chapman ;   et al. | 2022-07-28 |
Optical Switch Devices App 20220221735 - Rich; Christopher Chapman ;   et al. | 2022-07-14 |
Animated optical security feature Grant 11,221,448 - Rich , et al. January 11, 2 | 2022-01-11 |
Optical Switch Devices App 20210347194 - Rich; Christopher Chapman ;   et al. | 2021-11-11 |
Optical switch devices Grant 11,113,919 - Rich , et al. September 7, 2 | 2021-09-07 |
Optical Switch Devices App 20200400892 - Rich; Christopher Chapman ;   et al. | 2020-12-24 |
Optical switch devices Grant 10,850,550 - Rich , et al. December 1, 2 | 2020-12-01 |
Optical Products, Masters For Fabricating Optical Products, And Methods For Manufacturing Masters And Optical Products App 20200039279 - Rich; Christopher Chapman ;   et al. | 2020-02-06 |
Optical Switch Devices App 20190236887 - Rich; Christopher Chapman ;   et al. | 2019-08-01 |
Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Grant 10,252,563 - Rich , et al. | 2019-04-09 |
Photorefraction method and product Grant 9,877,649 - Tamkin , et al. January 30, 2 | 2018-01-30 |
Optical Switch Devices App 20180001692 - Rich; Christopher Chapman ;   et al. | 2018-01-04 |
Optical Products, Masters For Fabricating Optical Products, And Methods For Manufacturing Masters And Optical Products App 20170129272 - Rich; Christopher Chapman ;   et al. | 2017-05-11 |
Photorefraction Method And Product App 20170112378 - Tamkin; John Michael ;   et al. | 2017-04-27 |
Visual Acuity Testing Method And Product App 20170112373 - Burns; Andrew A. ;   et al. | 2017-04-27 |
Optical system for direct imaging of light markable material Grant 8,570,356 - Tamkin , et al. October 29, 2 | 2013-10-29 |
Wearable Multi-Channel Camera App 20100328471 - Boland; Justin ;   et al. | 2010-12-30 |
Optical System for Direct Imaging of Light Markable Media App 20100309279 - Tamkin; John Michael ;   et al. | 2010-12-09 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.