Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368409 | Latching mechanism with independent biased latching members | Joseph H. Marzullo | 1994-11-29 |
| 5255906 | Document registration apparatus | Michael D. Ballard, Sandra Graveson, Joseph H. Marzullo | 1993-10-26 |
| 5191751 | Envelope opening apparatus | Joseph H. Marzullo, Sandra Graveson, Michael D. Ballard | 1993-03-09 |
| 5154405 | Stopping device for envelope turner | Sandra Graveson, Joseph H. Marzullo, Christopher DeBarber, Michael D. Ballard | 1992-10-13 |
| 5131643 | Clamping arm for envelope turner | Sandra Graveson, Joseph H. Marzullo, Christopher DeBarber, Michael D. Ballard | 1992-07-21 |
| 5081825 | Envelope flap unfolder and enclosure inserter with jam-clearing access | — | 1992-01-21 |