Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140374 | Reader printer | Wojciech Dabrowski, Paul D. Hanke | 1992-08-18 |
| 4494859 | Modular reader/printer developer apparatus | Ronald J. Frias, Nicholas R. Schetter | 1985-01-22 |
| 4456201 | Reel-to-reel drive system | Ronald J. Frias | 1984-06-26 |
| 4322158 | Thermal film development apparatus | Ronald J. Frias, Roger A. Gross | 1982-03-30 |