loadpatents
Patent applications and USPTO patent grants for Walach; Michael.The latest application filed is for "broadview natural addition lens".
Patent | Date |
---|---|
Broadview Natural Addition Lens App 20220107509 - Walach; Michael | 2022-04-07 |
Broadview natural addition lens Grant 11,287,673 - Walach March 29, 2 | 2022-03-29 |
Broadview natural addition lens Grant 11,126,012 - Walach September 21, 2 | 2021-09-21 |
Non-progressive corridor bi-focal lens with substantially tangent boundary of near and distant visual fields Grant 8,931,898 - Walach , et al. January 13, 2 | 2015-01-13 |
Non-progressive Corridor Bi-focal Lens With Substantially Tangent Boundary Of Near And Distant Visual Fields App 20140362340 - Walach; Michael ;   et al. | 2014-12-11 |
Nonprogressive multi-focal ophthalmic lens Grant 5,953,099 - Walach September 14, 1 | 1999-09-14 |
Method of designing a non-progressive multifocal ophthalmic lens Grant 4,952,048 - Frieder , et al. August 28, 1 | 1990-08-28 |
Non-progressive multifocal ophthamic lenses Grant 4,869,588 - Frieder , et al. September 26, 1 | 1989-09-26 |
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.