Granted Patent
Utility
US 4,336,486 · App. 06/110,570
Dynamoelectric machines brushless supplemental excitation system
Inventors:
Dale I. Gorden, Sigrud R. Petersen
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Jan 9, 1980
Inventors
Dale I. Gorden
Sigrud R. Petersen
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.