Granted Patent
Utility
US 4,887,422 · App. 07/241,052
Rope with fiber core and method of forming same
Inventors:
David A. Klees, Robert B. Hoganson, Harry L. Data
Patented Case
View Patent ↗
Granted: Dec 19, 1989
Filed: Sep 6, 1988
Inventors
David A. Klees
Robert B. Hoganson
Harry L. Data
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.