Granted Patent
Utility
US 4,470,249 · App. 06/467,969
Multi-layer, contrahelically stranded wire rope
Inventors:
Ferdinand Chiappetta, Neville H. Simpson, John Simpson
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Feb 18, 1983
Inventors
Ferdinand Chiappetta
Neville H. Simpson
John Simpson
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.