Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8607957 | Coin redemption machine having gravity feed coin input tray and foreign object detection system | John R. Blake, Douglas U. Mennie, Samuel F. Collura, Arthur J. Long | 2013-12-17 |
| 7886890 | Coin redemption machine having gravity feed coin input tray and foreign object detection system | John R. Blake, Douglas U. Mennie, Samuel F. Collura, Arthur J. Long | 2011-02-15 |
| 7018286 | Coin holding device for filling coin cassettes | John R. Blake, Timothy L. Esterbrook, Douglas U. Mennie, Frank J. Janezic, Don T. Lambert | 2006-03-28 |
| 6966417 | Coin chute | John C. Peklo, John R. Blake | 2005-11-22 |
| 6499277 | Coin wrapper | David Warner, Sanjay A. Shivde, Frank Csekme, John Zygowicz, John F. Weggesser | 2002-12-31 |