Geyer; Otto-Christian
Patent Applications and Registrations
Patent applications and USPTO patent grants for Geyer; Otto-Christian.The latest application filed is for "optically clear silicone compositions".
- Geyer; Otto-Christian - Braunfels DE
- Geyer; Otto-Christian - Wetzlar DE
| Patent | Date |
|---|---|
| Optically clear silicone compositions Grant 5,077,335 - Schwabe , et al. December 31, 1 | 1991-12-31 |
| Hydrophilic copolymers, the use thereof as biomedical materials and contact-optical articles produced therefrom Grant 4,866,148 - Geyer , et al. September 12, 1 | 1989-09-12 |
| Optical contact objects Grant 4,703,097 - Wingler , et al. October 27, 1 | 1987-10-27 |
| Use of polymer alloys based on cellulose esters in contact ophthalmics, and contact lenses produced from the polymer alloys Grant 4,533,397 - Wingler , et al. August 6, 1 | 1985-08-06 |
| Contact lenses of methyl methacrylate copolymers Grant 4,384,097 - Wingler , et al. May 17, 1 | 1983-05-17 |
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