Granted Patent
Utility
US 4,490,969 · App. 06/479,000
Plastic encapsulated wire rope
Inventors:
Neville H. Simpson, Thomas H. Dosemagen, David E. Dirks
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Mar 25, 1983
Inventors
Neville H. Simpson
Thomas H. Dosemagen
David E. Dirks
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.