Granted Patent
Utility
US 5,486,543 · App. 08/171,443
Formed thermoplastic resin article and production process thereof
Inventors:
Tsunetoshi SHINADA, Katsuo Wada, Haruo Inoue, Masaki Misumi, Akira Saito
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Dec 22, 1993
Inventors
Tsunetoshi SHINADA
Katsuo Wada
Haruo Inoue
Masaki Misumi
Akira Saito
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.