Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513768 | Coinage cladding alloy and processing for making coinage cladding alloy | Eric A. Lass, Mark R. Stoudt, Carelyn Campbell | 2019-12-24 |
| 10472703 | Metal alloy for coin production | Richard R. Robidoux, Uvon Tolbert | 2019-11-12 |
| 10344366 | Coinage alloy and processing for making coinage alloy | Eric A. Lass, Mark R. Stoudt, Carelyn Campbell | 2019-07-09 |
| 10166741 | Silicon steel composite for low denomination coin | Richard R. Robidoux | 2019-01-01 |