Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7203666 | Virtual postage metering system | Linda V. Gravell, Jeffrey D. Pierce, Leon A. Pintsov, David W. Riley | 2007-04-10 |
| 6343327 | System and method for electronic and physical mass mailing | Edward P. Daniels, John Kwant, Paul H. Mitchell, Karl-Heinz Schumacher, Clare E. Woodman | 2002-01-29 |