Granted Patent
Utility
US 4,488,160 · App. 06/325,852
Electrostatic apparatus
Inventors:
Noriyoshi Tarumi, Haruo Iwahashi, Masahiko Matsunawa, Hiroshi Tokunaga
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Nov 30, 1981
Inventors
Noriyoshi Tarumi
Haruo Iwahashi
Masahiko Matsunawa
Hiroshi Tokunaga
Assignee (at issue)
Konishiroku Photo Industry 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.