Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504470 | Access control method and apparatus for members and guests | Daniel R. Puchek, David M. Tumey | 2003-01-07 |
| 6496595 | Distributed biometric access control apparatus and method | Daniel R. Puchek, David M. Tumey | 2002-12-17 |
| 6447460 | Method for automated exclusion of deep venous thrombosis | X. Lu Zheng, David M. Tumey | 2002-09-10 |
| 5386103 | Identification and verification system | Abdou F. DeBan, David M. Tumey, Craig M. Arndt | 1995-01-31 |