Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600064 | Earth boring bit with bearing sleeve | Stanley R. Scales, Duane Shotwell | 1986-07-15 |
| 4559852 | Method for shanking rock bits | — | 1985-12-24 |
| 4507843 | Clamping assembly | — | 1985-04-02 |
| 4414734 | Triad for rock bit assembly | — | 1983-11-15 |