Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D293799 | Foldable stereo viewer | — | 1988-01-19 |
| 4660931 | Foldable stereo viewer | — | 1987-04-28 |
| 4466584 | Apparatus for counting and limiting the number of plays of a cassette | Jean Françoís Coudert | 1984-08-21 |