Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957663 | Method of manufacturing optical components | Johannes M. G. Verhoeven, Herman M. A. Amendt | 1990-09-18 |
| 4890905 | Replica lens and method of manufacturing same | Gerard E. Van Rosmalen, Gerardus Christiaan Marie Dortant | 1990-01-02 |
| 4682853 | Transmission projection screen and method of manufacturing same | Dirk Jan Broer, Cornelis M. G. Jochem | 1987-07-28 |