Granted Patent
Utility
US 5,374,708 · App. 07/741,460
Formed polyimide article
Inventors:
Shoji Tamai, Masahiro Ohta, Akihiro Yamaguchi, Masumi Saruwatari
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Aug 8, 1991
Inventors
Shoji Tamai
Masahiro Ohta
Akihiro Yamaguchi
Masumi Saruwatari
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.