Granted Patent
Utility
US 5,168,437 · App. 07/612,647
Phase displaced, multiple inverter bridge circuits with waveform notching for harmonic elimination
Inventors:
Laszlo Gyugyi, Eric J. Stacey
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Nov 13, 1990
Inventors
Laszlo Gyugyi
Eric J. Stacey
Assignee (at issue)
Westinghouse Electric Company LLC
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.