Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839224 | Thermal transfer recording material containing chlorinated paraffin wax | Wu-Shyong Li | 1989-06-13 |
| 4822643 | Thermal transfer imaging system | Mohamed A. Elmasry, Jeffrey C. Chang, Kevin M. Kidnie | 1989-04-18 |