Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680403 | Multiplex serial data communications with a single UART for a postage meter mailing machine system | Christopher S. Riello, Richard P. Schoonmaker | 1997-10-21 |
| 5592034 | Power shut down delay circuit for a postage meter mailing machine having an ink jet printer system | Benita J. Felmus, Richard P. Schoonmaker | 1997-01-07 |