Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39773 | Toner cartridge identification system for a printer | Gregory S. Kussman, Cheston Sung Yin Chan | 2007-08-14 |
| 6477335 | Toner cartridge identification system for a printer | Gregory Kussmann, Cheston Sung Yin Chan | 2002-11-05 |
| 5927197 | Tensioner and system for continuous printer sheet advancement | — | 1999-07-27 |
| 5915690 | Adjustable low paper sensor | — | 1999-06-29 |
| 5913513 | Add-on modular paper mover | — | 1999-06-22 |
| 5085532 | Multiple ribbon mandril for multiple print head printers | Albert M. Kritz | 1992-02-04 |