Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913054 | Envelope flap moistening apparatus | John P. Miller, Michael M. Chen | 2005-07-05 |
| 6517265 | Loss of funds prevention for postage meters and personal computer meters | Al Ewers, David L. Rich | 2003-02-11 |
| 5220320 | Switch matrix including both B switching elements and crossbar switch matrices | Francois T. Assal, Christoph E. Mahle, Amir I. Zaghloul, Ramesh Gupta | 1993-06-15 |
| 4931802 | Multiple spot-beam systems for satellite communications | Francois T. Assal, Christoph E. Mahle, Amir I. Zaghloul, Ramesh Gupta | 1990-06-05 |
| 4280053 | Technetium-99m generators | Ralph W. Matthews | 1981-07-21 |