Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681295 | Tricurve optical metal master mold and method of making | John Magdon | 1987-07-21 |
| 4407766 | Molds and procedure for producing truncated contact lenses | John Magdon, Eric Noble | 1983-10-04 |