Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506591 | Ocean floor dredge system having a pneumohydraulic means suitable for providing tripping and heave compensation modes | — | 1985-03-26 |
| 4469267 | Draw-off and hold-back cable tension machine | John M. Franchuk | 1984-09-04 |
| 4382361 | Ocean floor dredge system having a pneumohydraulic means suitable for providing tripping and heave compensation modes | — | 1983-05-10 |