Granted Patent
Utility
US 4,531,085 · App. 06/503,539
Polyphase line voltage regulator
Inventor:
Lee O. Mesenhimer
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Jun 13, 1983
Inventor
Lee O. Mesenhimer
Assignee (at issue)
POWER DISTRIBUTION, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.