Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4579761 | Method of making aureate colored coins, medallions and tokens and products so made | Willie Seibt | 1986-04-01 |
| 4279968 | Coins and similarly disc-shaped articles | Kshitindra M. Sarkar, Maurice A. Clegg | 1981-07-21 |
| 4247374 | Method of forming blanks for coins | Kshitindra M. Sarkar, Maurice A. Clegg | 1981-01-27 |