Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214882 | Vacuum activated tool for the fabrication of optical surfaces | — | 1993-06-01 |
| 4349374 | Method and apparatus for manufacturing glass progressive lenses | — | 1982-09-14 |
| 4307945 | Progressively varying focal power opthalmic lens | George A. Kitchen | 1981-12-29 |
| 4292030 | Teaching device for progressive power lenses | Alban J. Lobdell | 1981-09-29 |