Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7022024 | Bowling center display and method | Ted A. Brim, Roy A. Burkholder, Michael T. Nousain, Gordon Stannis, Joel G. Van Faasen +1 more | 2006-04-04 |
| 6840868 | Glow-in-the-dark film for bowling lanes | Brent Perrier, Roy A. Burkholder, Jan Hansen | 2005-01-11 |
| 6450892 | Bowling lane restoration and shielding sheet and method of assembly | Roy A. Burkholder, Jan Hansen | 2002-09-17 |