Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667755 | Drill bit having hollow cylindrical body and a plurality of PCD cutting elements | Anton Scheuch | 1987-05-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667755 | Drill bit having hollow cylindrical body and a plurality of PCD cutting elements | Anton Scheuch | 1987-05-26 |