Granted Patent
Utility
US 4,460,671 · App. 06/428,794
Press fixing type electrostatic recording material
Inventors:
Tokuro Yasuda, Akinori Oka
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Sep 30, 1982
Inventors
Tokuro Yasuda
Akinori Oka
Assignee (at issue)
Oji 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.