Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991708 | Personalized delivery payment coding | — | 2011-08-02 |
| 5296279 | Self adhesive postage stamp construction | Robert Birnbaum, Alan Green, Alim A. Fatah | 1994-03-22 |
| 4264366 | Cancellation and marking inks | — | 1981-04-28 |