Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348730 | System for metering electrical energy with remote time signal correlation | Walter P. Hedges | 1982-09-07 |
| 4216527 | System for metering electrical energy with remote time signal correlation | Walter P. Hedges | 1980-08-05 |