Granted Patent
Utility
US 4,266,323 · App. 06/065,689
Apparatus for chopping strands
Inventor:
John A. Waugh
Patented Case
View Patent ↗
Granted: May 12, 1981
Filed: Aug 10, 1979
Inventor
John A. Waugh
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.