Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085007 | Toric lens fining apparatus | — | 1992-02-04 |
| 4907373 | Toric finer-polisher | Billy D. Hunter | 1990-03-13 |
| D292293 | Pin extractor for lens fining and polishing machines | — | 1987-10-13 |
| 4674190 | Blocked lens thickness gauge | Herbert H. Mathews | 1987-06-23 |
| 4563916 | Dynamically variable oscillating adjustment assembly | — | 1986-01-14 |
| 4561213 | Apparatus for polishing the edges of lenses | Brian R. Barnes, Herbert H. Mathews | 1985-12-31 |
| 4547242 | Autoclave for bonding composite lenses | Phillip D. Hill, John M. Griffith | 1985-10-15 |
| 4521994 | Polisher-finer apparatus | — | 1985-06-11 |
| 4392334 | Fluid dispersing apparatus for use in producing ophthalmic lenses | Phillip D. Hill | 1983-07-12 |
| 4373298 | Automatic edge beveller for removing the sharp peripheral edges of ophthalmic lenses | Phillip D. Hill | 1983-02-15 |
| 4328060 | Ophthalmic lens deblocking - method and apparatus | Phillip D. Hill, Clarence J. Lund | 1982-05-04 |