Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7944610 | Methods and apparatus providing improved visual capabilities of optical instruments | — | 2011-05-17 |
| 7929206 | Method and apparatus providing improved visual capabilities of optical instruments | — | 2011-04-19 |
| 7672070 | Methods and apparatus providing improved visual capabilities of optical instruments | — | 2010-03-02 |
| 7532394 | Methods and apparatus providing improved visual capabilities of optical instruments | — | 2009-05-12 |
| 5734500 | Binocular with extended monocular field | — | 1998-03-31 |
| 5704707 | Motorcycle safety helmet system | Donald Varner, James J. Snyder, James H. Parsons | 1998-01-06 |
| 5278695 | Magnifier | Ronald E. Grubman | 1994-01-11 |
| 5221068 | Vehicular mirror mount | Donald Varner | 1993-06-22 |
| 4881801 | Fast, aberration-free flat field catadioptric telescope | — | 1989-11-21 |
| 4718753 | Telescope with correcting lens | — | 1988-01-12 |
| 4571036 | Reflecting telescope with correcting lens | David Shafer | 1986-02-18 |
| 4477156 | Reflecting telescope with correcting lens | David Shafer | 1984-10-16 |