Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967683 | Marine units | Arthur L. Brake, Charles D. Papworth | 1990-11-06 |
| 4659254 | Marine units | Charles D. Papworth, Arthur L. Brake, Ivan H. Dimmock | 1987-04-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967683 | Marine units | Arthur L. Brake, Charles D. Papworth | 1990-11-06 |
| 4659254 | Marine units | Charles D. Papworth, Arthur L. Brake, Ivan H. Dimmock | 1987-04-21 |