Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4995934 | Wicking apparatus for envelopes | — | 1991-02-26 |
| 4813209 | Single cycle envelope flap opener | Dean H. Foster | 1989-03-21 |
| 4637602 | Document guide apparatus for preventing jams | Thomas J. Gavaghan, Paul D. Boucher | 1987-01-20 |