Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621798 | Envelope feeding mechanism for mail sorting machines | — | 1986-11-11 |
| 4595188 | Envelope feeding system and speed control for mail sorting machines | David Wiley | 1986-06-17 |
| 4570922 | Envelope stacking arrangement for mail sorting machines | — | 1986-02-18 |
| 4432540 | Mail sorting machine with improved conveyor and envelope separating device | Charles R. Hartman, Keith Deutch | 1984-02-21 |
| 4364554 | Conveyor arrangement for mail sorting machines | — | 1982-12-21 |
| 4328962 | Mail sorting machine | — | 1982-05-11 |
| 4275875 | Mail sorting machine | — | 1981-06-30 |