Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676615 | Projecting device | Lennart Stalfors | 1987-06-30 |
| 4534631 | Slide guide adjusting device at slide projector | Rolf G. Fransson | 1985-08-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676615 | Projecting device | Lennart Stalfors | 1987-06-30 |
| 4534631 | Slide guide adjusting device at slide projector | Rolf G. Fransson | 1985-08-13 |