Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844210 | Line clamp | — | 1989-07-04 |
| 4825953 | Well servicing system | Peter Cowan | 1989-05-02 |
| 4821799 | Grease injection control system | — | 1989-04-18 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844210 | Line clamp | — | 1989-07-04 |
| 4825953 | Well servicing system | Peter Cowan | 1989-05-02 |
| 4821799 | Grease injection control system | — | 1989-04-18 |