Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361495 | Hand-held non-contact tonometer | — | 2002-03-26 |
| 5671039 | Glare tester | — | 1997-09-23 |
| 5474066 | Non-contact tonometer | — | 1995-12-12 |
| 5381196 | Contrast sensitivity tester | David A. Luce | 1995-01-10 |
| 4238142 | Method and apparatus for examining and photographing the ocular fundus | William D. Richards, Joseph W. Kantorski | 1980-12-09 |
| 4236793 | Ophthalmic refracting device | Donald B. Whitney, William D. Richards | 1980-12-02 |
| 4216588 | Marking pen holder | William D. Richards | 1980-08-12 |
| 4208800 | Method for making ophthalmic measurements | William D. Richards | 1980-06-24 |
| 4184752 | Instrument illuminator | William D. Richards | 1980-01-22 |