Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9594982 | Optical coin discrimination systems and methods for use with consumer-operated kiosks and the like | Douglas A. Martin, Timothy P. Harrington | 2017-03-14 |
| 9036890 | Optical coin discrimination systems and methods for use with consumer-operated kiosks and the like | Douglas A. Martin, Timothy P. Harrington | 2015-05-19 |