Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7358635 | Magnetic power transmission devices for oilfield applications | Gary E. Fout | 2008-04-15 |
| 6577037 | Self-unloading magnetic coupler | Richard Killen, John L. Brockman, Karl J. Lamb, Toby Merrill | 2003-06-10 |
| 5545112 | D.C. treadmill speed change motor controller system | Lester A. Hass, John T. Rotunda, Gregory W. Fissel | 1996-08-13 |
| 5489250 | Treadmill deceleration system and method | Lester A. Hass, John T. Rotunda, Gregory W. Fissel | 1996-02-06 |
| 5290205 | D.C. treadmill speed change motor controller system | Lester A. Hass, John T. Rotunda, Gregory W. Fissel | 1994-03-01 |
| 4255646 | Electric liquefied petroleum gas vaporizer | Jens T. Dragoy | 1981-03-10 |