Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345823 | Reproduction lens having a six group six element composition a large vignetting factor and a compact size | — | 1982-08-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345823 | Reproduction lens having a six group six element composition a large vignetting factor and a compact size | — | 1982-08-24 |