Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703721 | Optical magnifier | Joseph Bietry, Paul D. Ludington | 1997-12-30 |
| 5671092 | Reverse Galilean finder with projected front window | William B. Jones, John D. Griffith | 1997-09-23 |
| 5650878 | Compact lens system and a method for making such | — | 1997-07-22 |
| 5642231 | Compact 3X zoom lens | — | 1997-06-24 |
| 5602676 | Compact zoom lens with reduced aspheric decenter sensitivity | — | 1997-02-11 |