Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143163 | Digging tooth | Stephen P. Stiffler, Robert L. Frost, Wayne H. Beach | 1992-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143163 | Digging tooth | Stephen P. Stiffler, Robert L. Frost, Wayne H. Beach | 1992-09-01 |