Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D395250 | Combined hand held communication receiver and GPS device | Ronald Byron Kabler, Robert M. Kalis | 1998-06-16 |
| 5381554 | Uninterrupted power supply (UPS) system interfacing with communications network | G. John Messer | 1995-01-10 |
| 5319571 | UPS system with improved network communications | G. John Messer | 1994-06-07 |