Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957337 | Method and apparatus for secure authorization and identification using biometrics without privacy invasion | Timothy J. Chainer, Stephane H. Maes, Marco Martens, Joseph D. Rutledge, Charles P. Tresser | 2005-10-18 |
| 6275599 | Compressed image authentication and verification | Roy L. Adler, Charles P. Tresser, Chai Wah Wu | 2001-08-14 |
| 5963152 | Resolving block method for synchronization correction in run-length limited codes | Roy L. Adler, Martin Hassner | 1999-10-05 |
| 4675650 | Run-length limited code without DC level | Don Coppersmith | 1987-06-23 |