Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878340 | Turf grooming reel | Michael G. Roy, Helmut J. Ullrich, John M. Beattle | 1989-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878340 | Turf grooming reel | Michael G. Roy, Helmut J. Ullrich, John M. Beattle | 1989-11-07 |