Granted Patent
Utility
US 4,492,902 · App. 06/597,036
Permanent magnetic motor common leg impedance compensation means
Inventors:
William H. Ficken, Jerome Sears, Walter Parfomak
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Apr 5, 1984
Inventors
William H. Ficken
Jerome Sears
Walter Parfomak
Assignee (at issue)
ALLIED CONSULTING, 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.