Granted Patent
Utility
US 4,529,934 · App. 06/458,030
Apparatus for detecting a predetermined angular position on rotating devices
Inventor:
Cap Heinrich
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Jan 14, 1983
Inventor
Cap Heinrich
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.