Granted Patent
Utility
US 5,170,086 · App. 07/696,783
Electric motor with toothed disk to secure stator core
Inventors:
Gunter Wrobel, Michael Hermann
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: May 7, 1991
Inventors
Gunter Wrobel
Michael Hermann
Assignee (at issue)
Papst Motoren
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.