Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815543 | Activated rock cutting assembly | Philip Bechem | 1989-03-28 |
| 4736987 | Rock cutting assembly | Philip Bechem | 1988-04-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815543 | Activated rock cutting assembly | Philip Bechem | 1989-03-28 |
| 4736987 | Rock cutting assembly | Philip Bechem | 1988-04-12 |