Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7487839 | System for controlling the vertical movement of pipe through a stripping ram in conjunction with service or drilling rigs | Nigel Brian Woollam | 2009-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7487839 | System for controlling the vertical movement of pipe through a stripping ram in conjunction with service or drilling rigs | Nigel Brian Woollam | 2009-02-10 |