Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700272 | Reluctance motor with gearless step-down without electronic control of rotating field | — | 2004-03-02 |
| 6431966 | Grinding spindle unit with magnetic drive | Erwin Junker | 2002-08-13 |
| 5987965 | Gas sensor with conductive housing portions | Dennis Martell, Richard Grove Warburton, Laura Ann Lindner | 1999-11-23 |
| 5827948 | Gas sensor with liquid-tight seal | Dennis Martell, Richard Grove Warburton, Laura Ann Lindner | 1998-10-27 |
| 5777208 | Gas sensor with pressurized seal | Dennis Martell, Richard Grove Warburton, Laura Ann Lindner | 1998-07-07 |
| 5744697 | Gas sensor with conductive housing portions | Dennis Martell, Piers Richard Warburton, Laura Ann Lindner | 1998-04-28 |