Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739342 | Crossed-element magnetographic print head | George E. Keefe, Edward J. Yarmchuk | 1988-04-19 |
| 4725850 | Electromagnetic head with separate addressability resolution and imaging resolution functions | Kurt R. Grebe, George E. Keefe, Edward J. Yarmchuk | 1988-02-16 |
| 4699533 | Surface layer to reduce contact resistance in resistive printing ribbon | Jesse R. Crowe, Kwang K. Shih | 1987-10-13 |
| 4609926 | Ribbon transfer color-on-demand resistive ribbon printing | Ari Aviram | 1986-09-02 |
| 4577983 | Color-on-demand ribbon printing | Ari Aviram, Ramon Lane | 1986-03-25 |
| 4557616 | Resistive ribbon thermal transfer printing system and process | Claus D. Makowka, Ramon L. Street | 1985-12-10 |
| 4215918 | Electrochromic display device | — | 1980-08-05 |