Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443927 | Sucker rod machining system | Ray E. Colonius, Don A. Cargill | 1984-04-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443927 | Sucker rod machining system | Ray E. Colonius, Don A. Cargill | 1984-04-24 |