Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373332 | Plastic spectacle lens and method for making | Toshihiko Shimizu | 1994-12-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373332 | Plastic spectacle lens and method for making | Toshihiko Shimizu | 1994-12-13 |