Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628692 | Automatic bowling center system | David L. Mowers, Bruce N. Alleshouse, Victor S. Barczyk, Gerald A. Pierce, David C. Wyland | 1997-05-13 |
| 5628693 | Automatic bowling center system | David L. Mowers, David J. Mueller, Victor S. Barczyk, Gerald A. Pierce, David C. Wyland | 1997-05-13 |