Granted Patent
Utility
US 6,634,637 · App. 09/977,259
Retard roller and sheet feeder
Inventors:
Yuma Yoshida, Yoshihiro Wago, Yasuhiro Iwamoto, Hideki Sendo
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Oct 16, 2001
Inventors
Yuma Yoshida
Yoshihiro Wago
Yasuhiro Iwamoto
Hideki Sendo
Assignee (at issue)
TOKAI RUBBER INDUSTRIES, 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.