Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7298134 | Electrical-energy meter adaptable for optical communication with various external devices | Lars Lindqvist | 2007-11-20 |
| 6628207 | Method and apparatus for detecting and reporting a power outage | Rodney C. Hemminger, Albert H. Maxwell, Jr., Thomas J. Van Heuklon, Richard L. Tenor, Michael A. Murphy +1 more | 2003-09-30 |
| 4999569 | Method to calibrate magneto-optic based metering system | — | 1991-03-12 |
| 4862074 | Polyphase volt-hour indicating circuit | — | 1989-08-29 |
| 4652855 | Portable remote meter reading apparatus | — | 1987-03-24 |
| 4621330 | Programming system for programmable time registering electric energy meters | — | 1986-11-04 |
| 4467314 | Electric utility communication system with field installation terminal and load management terminal with remotely assignable unique address | Theodore H. York, Carl Yates | 1984-08-21 |