Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6176181 | Deck configuration for a printing press | William J. Van Ryzin, Roman J. Mudry | 2001-01-23 |
| 5191368 | System for projecting kaleidoscopic images for group viewing | Kevin A. Kalua, Paul A. Nelson | 1993-03-02 |
| 5094525 | System for projecting kaleidoscopic images for group viewing using a dynamically operating kaleidoscope as an integral element | Paul A. Nelson | 1992-03-10 |