Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314614 | Method and apparatus for disarming and arming explosive oil well perforators | William A. McPhee | 1982-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314614 | Method and apparatus for disarming and arming explosive oil well perforators | William A. McPhee | 1982-02-09 |