Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6840868 | Glow-in-the-dark film for bowling lanes | Roy A. Burkholder, Raymond Fineran, Jan Hansen | 2005-01-11 |
| 5888142 | Ultraviolet light illuminated bowling game | — | 1999-03-30 |
| 5529541 | Ultraviolet light illuminated bowling lane | — | 1996-06-25 |
| 5489241 | Ultraviolet light illuminated bowling game | — | 1996-02-06 |