Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229013 | Biometric multi-purpose terminal, payroll and work management system and related methods | — | 2007-06-12 |
| 6764013 | Multi-purpose terminal, payroll and work management system and related methods | — | 2004-07-20 |
| 6122605 | Apparatus and method for filtering a digital signal | Kirk H. Drees, John E. Seem | 2000-09-19 |
| 5867384 | Feedback controller | Kirk H. Drees, John E. Seem | 1999-02-02 |