Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4513661 | Dot matrix line printer | Lorne H. Grummett, John C. Chamberlain | 1985-04-30 |
| 4401390 | Ribbon control system for multiple color impact printer | Lorne H. Grummett, Joseph J. Fischer | 1983-08-30 |
| 4336751 | Apparatus for producing a multiple color hard copy image | Lorne H. Grummett, Joseph J. Fischer | 1982-06-29 |
| 4289069 | Method for producing a multiple color hard copy image | Lorne H. Grummett, Joseph J. Fischer | 1981-09-15 |
| 4236835 | Printer system with compressed print capability | David W. Mayne | 1980-12-02 |