Granted Patent
Utility
US 5,573,840 · App. 08/451,394
Polymeric insulating material and formed article making use of the material
Inventors:
Takeo Inoue, Shigeru Kimura, Tutomu Iwatani, Takayuki Yamada, Yukio Ishii, Ryuichi Sugimoto
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: May 26, 1995
Inventors
Takeo Inoue
Shigeru Kimura
Tutomu Iwatani
Takayuki Yamada
Yukio Ishii
Ryuichi Sugimoto
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.