Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842399 | Apparatus and method for retaining a spectacle lens on a rimless spectacle frame with a tough cord | — | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842399 | Apparatus and method for retaining a spectacle lens on a rimless spectacle frame with a tough cord | — | 1989-06-27 |