Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348032 | Head gasket having resilient seal with Belleville springs | Larry K. Hanson | 1982-09-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348032 | Head gasket having resilient seal with Belleville springs | Larry K. Hanson | 1982-09-07 |