Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673196 | Vector electricity meters and associated vector electricity metering methods | Mark E. Hoffman, Roland J. Provost, Thomas Maehl, Gregory P. Lavoie, David D. Elmore +8 more | 1997-09-30 |