Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35737 | Accoustically soft ink jet nozzle assembly | Nikodem Zyznieuski, Robert I. Keur, Roger T. Slisz | 1998-02-24 |
| 4727379 | Accoustically soft ink jet nozzle assembly | Nikodem Zyznieuski, Robert I. Keur, Roger T. Slisz | 1988-02-23 |