Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6070388 | Bag opening system | Elizabeth Zerlin, Richard Ackerman | 2000-06-06 |
| 4796313 | Invalid transfer arrangement | Paul DiMatteo, Charles F. Chubb | 1989-01-10 |
| 4726082 | Invalid transfer arrangement | Paul DiMatteo, Charles F. Chubb | 1988-02-23 |