Granted Patent
Utility
US 4,505,031 · App. 06/425,410
Method of assembling an electric motor
Inventors:
Robert A. Colwell, Robert J. Bartell
Patented Case
View Patent ↗
Granted: Mar 19, 1985
Filed: Sep 28, 1982
Inventors
Robert A. Colwell
Robert J. Bartell
Assignee (at issue)
Universal Electric Corporation
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.