Granted Patent
Utility
US 5,179,417 · App. 07/868,418
Apparatus for printing on opposite surfaces of a strip of printing paper
Inventors:
Tomio Sugaya, Yasuyuki Tsuji, Yasuo Kikuchi, Katsuhiro Akinaga, Masaaki Akutsu, Motoji Kurobane
Patented Case
View Patent ↗
Granted: Jan 12, 1993
Filed: Apr 15, 1992
Inventors
Tomio Sugaya
Yasuyuki Tsuji
Yasuo Kikuchi
Katsuhiro Akinaga
Masaaki Akutsu
Motoji Kurobane
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.