Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901798 | Drill pipe tubing and casing protectors | Derek Herrera, Gregory Herrera, John Philip Corkhill | 1999-05-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901798 | Drill pipe tubing and casing protectors | Derek Herrera, Gregory Herrera, John Philip Corkhill | 1999-05-11 |