Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015065 | Optical anamorphoser and method of manufacture | Jean Pollard, Robert Duchamp | 1991-05-14 |
| 4651638 | Press having an annular inflatable chamber | Robert Duchamp, Roland Plever | 1987-03-24 |