Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44084 | Control system for stand-by electrical generator | Robert D. Kern, Steven J. Wilcox, Gerald C. Ruehlow, Graham W. McLean, Phillip Harrison +1 more | 2013-03-19 |
| 5831366 | Permanent magnet alternator | Robert D. Kern, Gerald C. Ruehlow, Graham W. McLean, Dennis J. Cerney | 1998-11-03 |
| 5537025 | Battery charger/pre-exciter for engine-driven generator | Robert D. Kern, Gerald C. Ruehlow, Graham W. McLean | 1996-07-16 |
| 5504417 | Engine-driven generator | Robert D. Kern, Gerald C. Ruehlow, Herb Hoenisch, Mark J. Sarder, Graham W. McLean +2 more | 1996-04-02 |
| 5489811 | Permanent magnet alternator | Robert D. Kern, Gerald C. Ruehlow, Graham W. McLean, Dennis J. Cerney | 1996-02-06 |
| 5376877 | Engine-driven generator | Robert D. Kern, Gerald C. Ruehlow, Graham W. McLean, Michael R. Wheeley, Mark Kastner | 1994-12-27 |