Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966290 | Vehicle for manipulating pipe | Derrell G. Jones | 1990-10-30 |
| 4427026 | Limit control for an operating member | Glen S. Comer, Jr. | 1984-01-24 |
| 4301834 | Adjustment method pipelayer control system | Glen S. Comer, Jr. | 1981-11-24 |