Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703721 | Optical magnifier | Lee R. Estelle, Paul D. Ludington | 1997-12-30 |
| 5680260 | Optical element assembly having optical elements with mounting extensions | Martin P. Farcella, Paul D. Ludington | 1997-10-21 |
| 5646788 | Dual aperture lens | — | 1997-07-08 |
| 5604639 | Two-element optical system and camera and method of making a camera | Alan E. Lewis | 1997-02-18 |