Granted Patent
Utility
US 4,560,612 · App. 06/610,902
Mat binders
Inventor:
Ben J. Yau
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: May 16, 1984
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.