Granted Patent
Utility
US 4,755,553 · App. 06/922,785
Primer composition for substrates
Inventors:
Kotaro Kishimura, Riichiro Nagano
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Oct 23, 1986
Inventors
Kotaro Kishimura
Riichiro Nagano
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.