Granted Patent
Utility
US 3,948,673 · App. 05/408,235
Water soluble sizing for glass fibers and glass fibers sized therewith
Inventors:
Kenneth P. Chase, William N. Stassen
Patented Case
View Patent ↗
Granted: Apr 6, 1976
Filed: Oct 19, 1973
Inventors
Kenneth P. Chase
William N. Stassen
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.