Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591251 | Method, apparatus, and code for maintaining secure postage data | JP Leon, Albert L. Pion | 2003-07-08 |
| 4742469 | Electronic meter circuitry | John G. Haines, Albert L. Pion, Christopher Mayer | 1988-05-03 |
| 4658122 | Postage meter stepper motor module | Ward J. Payn, Onni W. Niemi, John V. McDonald, Daniel P. Leonard | 1987-04-14 |