Granted Patent
Utility
US 4,466,604 · App. 06/305,391
Elevator type paper feeding apparatus
Inventors:
Tadao Kishimoto, Takao Tsuda
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Sep 25, 1981
Inventors
Tadao Kishimoto
Takao Tsuda
Assignee (at issue)
Konishiroku Photo Industry 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.