Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9601028 | Musical instrument training device and method | Paul G. Claps, Mariusz Smialek | 2017-03-21 |
| 5917192 | Apparatus for scanning colored registration marks | Steven J. Siler, Scott T. Hilkert | 1999-06-29 |
| 5828075 | Apparatus for scanning colored registration marks | Steven J. Siler, Scott T. Hilkert | 1998-10-27 |
| 5771811 | Pre-registration system for a printing press | Steven J. Siler, Scott T. Hilkert | 1998-06-30 |