Granted Patent
Utility
US 4,714,917 · App. 06/917,765
Apparatus for detecting cracks in a flexible coupling
Inventors:
Louis F. Counter, Richard C. Born, LeRoy M. Walters, Lowell B. Ziese, Lawrence G. Searing
Patented Case
View Patent ↗
Granted: Dec 22, 1987
Filed: Oct 10, 1986
Inventors
Louis F. Counter
Richard C. Born
LeRoy M. Walters
Lowell B. Ziese
Lawrence G. Searing
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.