Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375172 | Postage payment system employing encryption techniques and accounting for postage payment at a time subsequent to the printing of postage | — | 1994-12-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375172 | Postage payment system employing encryption techniques and accounting for postage payment at a time subsequent to the printing of postage | — | 1994-12-20 |