Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501390 | Method and apparatus for securely determining aspects of the history of a good | Timothy J. Chainer, William Robert Pulleyblank, Charles P. Tresser, Chai Wah Wu | 2002-12-31 |
| 6397334 | Method and system for authenticating objects and object data | Timothy J. Chainer, Paul A. Moskowitz, Alejandro G. Schrott, Charles P. Tresser, Robert J. von Gutfeld +1 more | 2002-05-28 |