Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277523 | Method of preventing tarnishing of polished glass articles | Tetsuro Izumitani | 1981-07-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277523 | Method of preventing tarnishing of polished glass articles | Tetsuro Izumitani | 1981-07-07 |