Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315229 | Minimum time delay filtering method for automatic voltage regulators | — | 1994-05-24 |
| 5305234 | Thermal protection apparatus for a synchronous machine | Kenneth M. Eichler, Donald S. Kimmel, Gerhard K. Kasprowicz, Robert S. Murray | 1994-04-19 |
| 5264778 | Apparatus protecting a synchronous machine from under excitation | Donald S. Kimmel, Charles R. Mummert, Kenneth M. Eichler | 1993-11-23 |
| 5103162 | Apparatus for determining when a preselected phase relationship exists between two periodic waveforms | — | 1992-04-07 |