Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878340 | Turf grooming reel | Michael G. Roy, Helmut J. Ullrich, Jimmie D. Sinden | 1989-11-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878340 | Turf grooming reel | Michael G. Roy, Helmut J. Ullrich, Jimmie D. Sinden | 1989-11-07 |