Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6074290 | Compliant lens block and tape | John H. Ko | 2000-06-13 |
| 5885700 | Thermoplastic lens blocking material | Michael Govek, Carole Sedlock, John H. Ko | 1999-03-23 |
| 5520568 | Method of processing a lens and means for use in the method | Lawrence W. Craighead, Forrest J. Rouser, Debra L. Wilfong | 1996-05-28 |
| 4893438 | Fan folded abrasive discs | Richard L. Fry, Gerald L. Bergsrud, Russell J. Maland | 1990-01-16 |