Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350929 | Alignment system for multiple color pen cartridges | Jeffrey A. Sunamoto, Mark W. Majette | 1994-09-27 |
| 5276467 | Alignment system for multiple color pen cartridges | Jeffrey A. Sunamoto, Mark W. Majette, Christopher Karl Schroeder | 1994-01-04 |
| 4603863 | Tiltable game pieces for use with board games | — | 1986-08-05 |
| 4550915 | Game with triangular shaped playing elements | — | 1985-11-05 |