Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D519827 | Walking-beam anchor chain tensioning apparatus | — | 2006-05-02 |
| 4767073 | Cable spooling system | — | 1988-08-30 |
| 4588142 | Cable spooling system | — | 1986-05-13 |
| 4348007 | Gripper system for moving drilling rigs | — | 1982-09-07 |
| 4333634 | Gripper assembly for moving drilling rigs | — | 1982-06-08 |