Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4912488 | Camera with image input from linear array of electric-to-light transducers | Robert S. Berglund | 1990-03-27 |
| 4649402 | Electrographic stylus recording apparatus | George G. Lunde, Charles K. Nordeen | 1987-03-10 |
| 4646112 | Electrographic stylus recording apparatus | Charles K. Nordeen, James D. Young | 1987-02-24 |