Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967683 | Marine units | Andrew L. Pole, Charles D. Papworth | 1990-11-06 |
| 4659254 | Marine units | Charles D. Papworth, Andrew L. Pole, Ivan H. Dimmock | 1987-04-21 |
| 4498814 | Releasable anchor connector for tension leg platform | — | 1985-02-12 |
| 4331175 | Mounting of pressure vessels | David A. C. Harper | 1982-05-25 |
| 4235267 | Valved couplings | David A. C. Harper | 1980-11-25 |