Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178429 | Pipeline recovery head | David A. Gray | 1993-01-12 |
| 5044827 | Method for recovering wet buckled pipe | David A. Gray, Charles R. Yemington | 1991-09-03 |
| 4661017 | Method and apparatus for aligning underwater components | Norman H. Wood, Charles R. Yemington, Bill George Louis | 1987-04-28 |