Granted Patent
Utility
US 4,609,515 · App. 06/687,966
Method of making plastic filled wire rope
Inventor:
Laurence C. Smyth
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Dec 31, 1984
Inventor
Laurence C. Smyth
Assignee (at issue)
Wire Rope Industries Ltd.
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.