Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690523 | Monolithic reinforced eyeglass frame and friction welding method for manufacturing same | — | 1987-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690523 | Monolithic reinforced eyeglass frame and friction welding method for manufacturing same | — | 1987-09-01 |