Granted Patent
Utility
US 4,739,201 · App. 06/889,529
Means to reduce harmonic torque in electromagnetic machines
Inventors:
Robert N. Brigham, Joseph R. Vivirito
Patented Case
View Patent ↗
Granted: Apr 19, 1988
Filed: Jul 25, 1986
Inventors
Robert N. Brigham
Joseph R. Vivirito
Assignee (at issue)
Superior Electron, 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.