Granted Patent
Utility
US 6,101,935 · App. 09/130,518
Press drum a stencil printer
Inventor:
Eiji Ohkawa
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Aug 7, 1998
Inventor
Eiji Ohkawa
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.