Granted Patent
Utility
US 6,600,003 · App. 09/922,613
Rubber member for use in electrophotographic apparatus and rubber member for separating paper sheets
Inventors:
Hitoshi Shirasaka, Noriko Abe, Kouichi Shizuru, Katsuji Shimabukuro, Mika Sakatani, Shuhei Noda
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Aug 6, 2001
Inventors
Hitoshi Shirasaka
Noriko Abe
Kouichi Shizuru
Katsuji Shimabukuro
Mika Sakatani
Shuhei Noda
Assignee (at issue)
HOKUSHIN 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.