Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955706 | Composite polymeric spectacle parts | Johann J. Schmidthaler | 1990-09-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955706 | Composite polymeric spectacle parts | Johann J. Schmidthaler | 1990-09-11 |