Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834139 | Radial seal hydraulic coupler | — | 1989-05-30 |
| 4805657 | Method and apparatus for remote control of an underwater valve | R. Jan Carman, James A. Sweety | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834139 | Radial seal hydraulic coupler | — | 1989-05-30 |
| 4805657 | Method and apparatus for remote control of an underwater valve | R. Jan Carman, James A. Sweety | 1989-02-21 |