Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7672095 | Relay controller | Dean A. Drake, Gregg Mueller | 2010-03-02 |
| 7298148 | Relay controller | Dean A. Drake, Gregg Mueller | 2007-11-20 |
| 6232693 | Switched reluctance motor having stator inserts for noise reduction, magnet positioning, and coil retention | Joseph T. Gierer, Karmen D. Cox | 2001-05-15 |
| 6044519 | Portable electric tool vacuum cleaner control | — | 2000-04-04 |
| 5916014 | Oscillating belt/spindle sander | James D. Schroeder | 1999-06-29 |
| 5668535 | Filter condition sensor and indicator | Karmen D. Cox | 1997-09-16 |
| 5549507 | Combined motor and mechanical drive for use in oscillating spindle sander | James D. Schroeder | 1996-08-27 |
| 5517746 | Variable speed direct drive drill press/router | Karmen D. Cox | 1996-05-21 |