Granted Patent
Utility
US 4,416,645 · App. 06/339,024
Piloted flexible coupling
Inventor:
Walter A. Fredericks
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: Jan 13, 1982
Inventor
Walter A. Fredericks
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.