Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443025 | Fifth wheel assembly | Samuel A. Martin, Gerald W. Hungerink, Jack L. Gisinger, James H. Bush | 1984-04-17 |
| 4428595 | Fifth wheel hitch | Samuel A. Martin | 1984-01-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443025 | Fifth wheel assembly | Samuel A. Martin, Gerald W. Hungerink, Jack L. Gisinger, James H. Bush | 1984-04-17 |
| 4428595 | Fifth wheel hitch | Samuel A. Martin | 1984-01-31 |