Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662971 | Phi fan | — | 2020-05-26 |
| 5549405 | Heel-shaped ergonomic writing instrument | — | 1996-08-27 |
| 5193861 | Latch | Douglas L. Juga | 1993-03-16 |
| D317398 | Rotary lock | Randall C. Hansen | 1991-06-11 |
| D316365 | Rotary lock | Randall C. Hansen | 1991-04-23 |
| D316366 | Rotary lock | Randall C. Hansen | 1991-04-23 |
| 4895332 | Anti-slip grab rail | Randall C. Hansen | 1990-01-23 |