Granted Patent
Utility
US 5,809,879 · App. 08/562,938
Control device for a thermosensitive stencil printer
Inventors:
Yasumitsu Yokoyama, Yoshiyuki Shishido, Satoshi Katoh
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Nov 27, 1995
Inventors
Yasumitsu Yokoyama
Yoshiyuki Shishido
Satoshi Katoh
Assignee (at issue)
Tohoku Ricoh 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.