Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7321424 | Self-referencing instrument and method thereof for measuring electromagnetic properties | — | 2008-01-22 |
| 4753414 | Carbon coatings in replicated optics art | — | 1988-06-28 |
| 4194814 | Transparent opthalmic lens having engraved surface indicia | David Fischer, James D. Hager | 1980-03-25 |