Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645317 | Eyeglass lens modules and method | Philip M. Frieder | 1987-02-24 |
| 4573776 | Biconvex aphakic prosthetic lens | Philip M. Frieder | 1986-03-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645317 | Eyeglass lens modules and method | Philip M. Frieder | 1987-02-24 |
| 4573776 | Biconvex aphakic prosthetic lens | Philip M. Frieder | 1986-03-04 |