Granted Patent
Utility
US 6,032,015 · App. 09/009,425
Apparatus for printing on both sides of an image printing medium by one process
Inventors:
Takao Umeda, Ryoji Kojima, Masayasu Anzai, Michio Yokosuka, Katsuhiko Suzuki, Tadahiro Kaneko
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Jan 20, 1998
Inventors
Takao Umeda
Ryoji Kojima
Masayasu Anzai
Michio Yokosuka
Katsuhiko Suzuki
Tadahiro Kaneko
Assignee (at issue)
Hitachi Koki 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.