Granted Patent
Utility
US 4,502,984 · App. 06/541,568
Electroconductive base sheet for electrostatic recording
Inventors:
Eiichi Kato, Masataka Okamoto, Hiroshi Ueda, Masaharu Inaba
Patented Case
View Patent ↗
Granted: Mar 5, 1985
Filed: Oct 13, 1983
Inventors
Eiichi Kato
Masataka Okamoto
Hiroshi Ueda
Masaharu Inaba
Assignee (at issue)
Jujo Paper 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.