Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4369442 | Code controlled microcontroller readout from coin operated machine | Timothy L. Brehm | 1983-01-18 |
| 4216461 | Code controlled microcontroller readout from coin operated machine | Timothy L. Brehm | 1980-08-05 |