Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466921 | Virtual postage meter with secure digital signature device | Robert A. Cordery, David K. Lee, Frank M. D'Ippolito | 2002-10-15 |
| 6438530 | Software based stamp dispenser | Richard W. Heiden, Chunhua Li | 2002-08-20 |