Granted Patent
Utility
US 4,255,485 · App. 06/092,611
Binder for glass fiber mat
Inventor:
Ben J. Yau
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Nov 8, 1979
Inventor
Ben J. Yau
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.