Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971397 | Automated league and tournament system for electronic games | Martin Bohn, Stephen R. Zastera, Eugene Brooks Lilly | 1999-10-26 |
| 5593349 | Automated league and tournament system for electronic games | Martin Bohn, Stephen R. Zastera, Eugene Brooks Lilly | 1997-01-14 |
| 4979739 | Ball return control apparatus | Bruce Allen, Richard B. Shelton, Ullrich K. A. Kunnecke, Robert J. Brejcha | 1990-12-25 |
| 4361754 | Record operated control system for a vending machine | William R. Hoskinson | 1982-11-30 |