Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4593325 | Adaptive threshold document duplication | Henry N. Kannapell | 1986-06-03 |
| 4568983 | Image data compression/decompression | — | 1986-02-04 |
| 4467366 | Ink drop duplicating system | Frederic L. Clark, Suresh C. Paranjpe | 1984-08-21 |
| 4453841 | Duplex printing system and method therefor | Frederic L. Clark, Henry W. Jongerling, Barry C. Kockler, Svetislav Mitrovich | 1984-06-12 |
| 4243987 | Display processor for producing video signals from digitally encoded data to create an alphanumeric display | — | 1981-01-06 |