Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10068405 | Coin recognition system and method | William H. Lindhardt, Charles Alden Foell, III, Benjamin Lindhardt | 2018-09-04 |
| 9378604 | Coin recognition system and method | William H. Lindhardt, Charles Alden Foell, III, Benjamin Lindhardt | 2016-06-28 |