Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819935 | Training bat for ball games | John L. Dirksing, William P. Dirksing | 1989-04-11 |
| 4524916 | Dispersing machine for large bales | Richard E. Keyes | 1985-06-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819935 | Training bat for ball games | John L. Dirksing, William P. Dirksing | 1989-04-11 |
| 4524916 | Dispersing machine for large bales | Richard E. Keyes | 1985-06-25 |