Granted Patent
Utility
US 4,530,860 · App. 06/587,729
Migration-free size for glass fibers
Inventor:
Carl Johnson
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Mar 8, 1984
Inventor
Carl Johnson
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.