Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846249 | Window shade carrier and carrier assembly | David W. Cooper, Suresh Wadhwani | 1989-07-11 |
| 4274131 | Light diffusing means for a photographic enlarger | — | 1981-06-16 |
| 4240738 | Light mixing system for a photographic enlarger | — | 1980-12-23 |