IP Library Granted Patent US 4,807,790
Granted Patent Utility
US 4,807,790 · App. 06/917,776

Paper feeding method and apparatus

Inventors: Kentaro Ushioda, Shigeaki Yamaguchi
Patented Case View Patent ↗
Granted: Feb 28, 1989 Filed: Oct 10, 1986
Inventors
Kentaro Ushioda
Shigeaki Yamaguchi

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.

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Quick Facts
Patent No.
US 4,807,790
App. No.
06/917,776
Filed
1986-10-10
Granted
1989-02-28
Kind
A