Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379297 | Shower curtain rod | — | 1997-05-20 |
| 4895199 | Tire inflation and deflation valve | Roland A. Magnuson | 1990-01-23 |
| 4744399 | Central tire inflation system | Rolland A. Magnuson | 1988-05-17 |