Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285883 | Automatic payment device and method for recognizing coins | Son Le Hong | 1994-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285883 | Automatic payment device and method for recognizing coins | Son Le Hong | 1994-02-15 |