Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8330122 | Authenticatable mark, systems for preparing and authenticating the mark | Karl J. Smith, Paul G. Vahey, Howard A. Fraenkel, Robert G Bray, William Ross Rapoport +1 more | 2012-12-11 |
| 6421614 | Photometer system for obtaining reliable data | Donald S. Goldman | 2002-07-16 |