Granted Patent
Utility
US 4,455,400 · App. 06/162,854
Migratin-free size for glass fibers
Inventor:
Carl Johnson
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Jun 25, 1980
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.