Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482565 | Method for washing balls | Bernard Gutterman, Duane R. Acker, Richard J. Walter | 1996-01-09 |
| 5353822 | Apparatus and method for washing balls | Bernard Gutterman, Duane R. Acker, Richard J. Walter | 1994-10-11 |