Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11501893 | Abrasion resistant and flexible cable jacket systems | Kim Ritchie, John Dolan | 2022-11-15 |
| 8701790 | Vibratory plow assembly | — | 2014-04-22 |
| 6808210 | Drill pipe with upset ends having constant wall thickness and method for making same | Gregory T. Harrison, George A. Mitchell, Paul F. Russo | 2004-10-26 |
| 5533939 | Digging chain | J. Scott Martin | 1996-07-09 |
| D276799 | Seismic exploration vehicle | Marvin G. Bays | 1984-12-18 |
| D276800 | Seismic exploration vehicle | Marvin G. Bays | 1984-12-18 |
| D276801 | Seismic exploration vehicle | Marvin G. Bays | 1984-12-18 |