Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5005633 | Lens blocking apparatus | Joseph L. Welch | 1991-04-09 |
| 4674190 | Blocked lens thickness gauge | Joseph Tusinski | 1987-06-23 |
| 4561213 | Apparatus for polishing the edges of lenses | Joseph Tusinski, Brian R. Barnes | 1985-12-31 |
| 4319846 | Method and apparatus for aligning an ophthalmic lens during a blocking operation | David Henry | 1982-03-16 |