Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136988 | Air intake arrangement | David L. Frohberg | 1992-08-11 |
| 4502433 | Valve construction for multi-fuel engine | Theodore H. Becker, Jr., Sam R. Congram | 1985-03-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136988 | Air intake arrangement | David L. Frohberg | 1992-08-11 |
| 4502433 | Valve construction for multi-fuel engine | Theodore H. Becker, Jr., Sam R. Congram | 1985-03-05 |