Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722012 | Minting process for producing a two color coin or medal | Paulo Antonio Martins, Paulo Leitao | 2004-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722012 | Minting process for producing a two color coin or medal | Paulo Antonio Martins, Paulo Leitao | 2004-04-20 |