Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417825 | Print drive medium for line/series printers | Mario G. Plaza, Helmut K. Waibel | 1983-11-29 |
| 4227821 | Web drive mechanism for line/series printers | Mario G. Plaza | 1980-10-14 |