Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32422 | Method and apparatus for producing duplex copies | Alphonse B. DiFrancesco | 1987-05-19 |
| 4600296 | Compact electrographic reproduction apparatus | — | 1986-07-15 |
| 4192607 | Apparatus for selectively copying documents from two different document feeders | — | 1980-03-11 |