Granted Patent
Utility
US 4,591,750 · App. 06/684,534
Compact ring shaped brush motor
Inventors:
Jeffrey T. Major, Robert D. Hall
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Dec 21, 1984
Inventors
Jeffrey T. Major
Robert D. Hall
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.