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.