Granted Patent
Utility
US 4,691,952 · App. 06/915,588
Clutching adjustable keeper mechanism
Inventor:
Raymond E. Harmon
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Oct 6, 1986
Inventor
Raymond E. Harmon
Assignee (at issue)
REXNORD GMBH
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.