Granted Patent
Utility
US 4,472,724 · App. 06/249,388
Electrostatic image reproducing apparatus
Inventors:
Ryubun Seimiya, Shigeru Inowa, Noriyoshi Tarumi, Masahiko Matsunawa, Hiroshi Tokunaga
Patented Case
View Patent ↗
Granted: Sep 18, 1984
Filed: Mar 31, 1981
Inventors
Ryubun Seimiya
Shigeru Inowa
Noriyoshi Tarumi
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.