Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813779 | Perimeter | Richard T. Schneider | 1989-03-21 |
| 4806005 | Spotting system for binoculars and telescopes | Richard T. Schneider | 1989-02-21 |
| 4799785 | Cornea contour mapping | Richard T. Schneider | 1989-01-24 |