Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5191470 | Monocular optical inspection system with long eye relief and enhanced depth perception | David R. Wickholm | 1993-03-02 |
| 4988175 | Optical magnifying system | David R. Wickholm | 1991-01-29 |
| 4824228 | Stereomicroscopic inspection system with low eyestrain features | David R. Wickholm | 1989-04-25 |
| 4792214 | Optical magnifying system: 10 x loupe | David R. Wickholm | 1988-12-20 |
| 4768866 | Optical magnifying system: 4.times. loupe | David R. Wickholm | 1988-09-06 |
| 4741617 | Method and apparatus for measuring, magnification power of a magnifying aid | — | 1988-05-03 |