Granted Patent
Utility
US 5,128,428 · App. 07/680,364
Curable resin composition
Inventors:
Norio Shinohara, Kazuo Ohtani, Toshiaki Hanyuda
Patented Case
View Patent ↗
Granted: Jul 7, 1992
Filed: Apr 4, 1991
Inventors
Norio Shinohara
Kazuo Ohtani
Toshiaki Hanyuda
Assignee (at issue)
Showa Highpolymer Co., 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.