Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463133 | Method and apparatus for telecommunications signal routing and data management | Stan T. Hagmajer, Flavio M. Manduley, Stephen J. Sabulis | 2002-10-08 |
| 6427921 | Hidden information on a document for authentication | — | 2002-08-06 |
| 6390377 | Hidden information on a mail piece for authentication | — | 2002-05-21 |