Granted Patent
Utility
US 4,728,836 · App. 06/898,299
Strain-relief housing for strand connectors of small electric motors
Inventor:
Guenter Wrobel
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Aug 20, 1986
Inventor
Guenter Wrobel
Assignee (at issue)
Papst Motoren GmbH & Co KG
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.