Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4496225 | Motor control system for motorized ophthalmic instrument | — | 1985-01-29 |
| 4496226 | ANDed motor control system for motorized ophthalmic instrument | Donn E. Stevens | 1985-01-29 |
| 4407571 | Compact refraction instrument | Edwin A. Hazard, Richard C. Mohrman | 1983-10-04 |