Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671090 | Vision enhancing optical system | Francis S. Luecke, Henry A. Greene | 2003-12-30 |
| 6065835 | Low vision enhancing optical system with movable mirrors | Robert L. Beadles, Henry A. Greene | 2000-05-23 |
| 5680195 | Vision enhancing assembly | Henry A. Greene | 1997-10-21 |
| 5374985 | Method and apparatus for measuring range by use of multiple range baselines | Robert L. Beadles, Henry A. Greene | 1994-12-20 |
| 5285307 | Visual field expanding system | Robert L. Beadles | 1994-02-08 |
| 4704000 | Vision enhancing system | Robert L. Beadles | 1987-11-03 |