Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957864 | Method and apparatus for detecting and differentiating users of a device | John K. Lenneman, Joseph F. Szczerba, Roy J. Mathieu, Thomas A. Seder, Jan H. Aase | 2011-06-07 |