Granted Patent
Utility
US 6,581,515 · App. 09/604,911
Stencil printing method and stencil printer therefor
Inventor:
Daisuke Hasebe
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jun 28, 2000
Inventor
Daisuke Hasebe
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.