Granted Patent
Utility
US 6,618,159 · App. 09/410,015
Method of switching print modes of printing device
Inventors:
Satoru Tobita, Yoshikane Matsumoto, Hideaki Mamiya
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Oct 1, 1999
Inventors
Satoru Tobita
Yoshikane Matsumoto
Hideaki Mamiya
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.