Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428213 | Vented bearing end cap | James Parejko | 2002-08-06 |
| 4858347 | Continuous excavating apparatus and methods | R. A. Hanson | 1989-08-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428213 | Vented bearing end cap | James Parejko | 2002-08-06 |
| 4858347 | Continuous excavating apparatus and methods | R. A. Hanson | 1989-08-22 |