Granted Patent
Utility
US 4,759,978 · App. 06/912,549
Epoxy resin composition
Inventor:
Toshimasa Takata
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Sep 29, 1986
Inventor
Toshimasa Takata
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.