Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991815 | Method of supplying multiple loads from multiple sources over an interconnected network of defined paths | Keith A. Prater | 1999-11-23 |
| 5057697 | DC uninterrupted power supply having instantaneous switching followed by low impedance switching | Russell E. Hammond, Robert L. Northup | 1991-10-15 |
| 5012121 | Electrical power supply for short term power interruptions | Russell E. Hammond, Robert L. Northup, Francis B. Fassnacht | 1991-04-30 |