Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521926 | Bath chair | — | 1985-06-11 |
| 4255022 | Method of and apparatus for examination of visual fields | Robert E. Williams, Thomas A. Decker, Charles Kurtzman, Kenneth T. Richardson, Richard A. Harrison | 1981-03-10 |
| 4239351 | Apparatus for generating and displaying visual acuity targets | Robert E. Williams, Thomas A. Decker, Charles Kurtzman | 1980-12-16 |