Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624537 | Plural output electric train control station | — | 2003-09-23 |
| 6281606 | Plural output electric train control station | — | 2001-08-28 |
| 5870791 | Air cooled floor polishing machine | Russell Gurstein, Glenn Moffitt | 1999-02-16 |
| 5449988 | Vacuum motor control including float switch and in-rush current restraint | Russell Gurstein | 1995-09-12 |
| 5103179 | Water analyzer with multiple electrodes | Frank Thomas, Kenneth J. Evers | 1992-04-07 |