Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5430504 | Bifocal contact lenses | Dieter Muckenhirn | 1995-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5430504 | Bifocal contact lenses | Dieter Muckenhirn | 1995-07-04 |