Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165083 | Golf putting aid | Sydney L. Stenger | 2000-12-26 |
| 5842929 | Bowling scoring system with instant replay | William C. Sias, David L. MacPherson, Thomas G. Phee | 1998-12-01 |