Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499924 | Ultrasonic weld rivet | Leslie R. Kilian, Michael G. Petranto, Beverly S. Bortnick | 2002-12-31 |
| 6481081 | Ultrasonic weld rivet for process cartridge and in line tack weld assembly method | Leslie R. Kilian, Michael G. Petranto, Beverly S. Bortnick | 2002-11-19 |
| 6115570 | Ultrasonic weld rivet for process cartridge | Leslie R. Kilian, Michael G. Petranto, Beverly S. Bortnick | 2000-09-05 |