Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327127 | Process for making transfer elements | George P. Dapp | 1982-04-27 |
| 4321286 | Process for producing transfer ribbons | Albert E. Brown | 1982-03-23 |
| 4310258 | Ink ribbon lubrication by liquid silicone oil | — | 1982-01-12 |