Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402428 | Pipeline recovery tool | Ziba Morisi, Raymond J. Serpas, Dennis E. Calkins | 2002-06-11 |
| 5951227 | Deep water lowering apparatus | Dennis E. Calkins, Afif Michel Labaki, James Joseph Toups | 1999-09-14 |
| 5540523 | Pile handling tool | Robert A. Foret, Jr., George Gernon, Jesse R. Wilkins, Dale Zeringue | 1996-07-30 |