Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5079086 | Magnetic recording media | John M. Burns, Wai Chun Leung, Randall George Simmons, Clinton David Snyder | 1992-01-07 |
| 4810119 | Resistive ribbon for high resolution printing | Ali Afzali-Ardakani, Ronald T. Cannavaro, Mukesh Desai, Keith S. Pennington, Jean-Piet Hoekstra +1 more | 1989-03-07 |
| 4456915 | Print head for high resolution electrothermal printing apparatus | Cameron H. Hafer, William J. Weiche | 1984-06-26 |
| 4253775 | Apparatus for re-inking a ribbon in a thermal transfer printing system | Keith S. Pennington | 1981-03-03 |
| 4187329 | Electrophotographic developing process and compositions for use therein | — | 1980-02-05 |