Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855565 | Work head device | Gregory Sapozhnikov, Robert Shaw | 1989-08-08 |
| 4836610 | Collector cart | Charles W. Doering, Garland E. Caudill, Henry L. Johnson | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855565 | Work head device | Gregory Sapozhnikov, Robert Shaw | 1989-08-08 |
| 4836610 | Collector cart | Charles W. Doering, Garland E. Caudill, Henry L. Johnson | 1989-06-06 |