Granted Patent
Utility
US 4,639,787 · App. 06/647,422
Image-scanning apparatus
Inventors:
Masaki Isogai, Atsushi Kawahara
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Sep 5, 1984
Inventors
Masaki Isogai
Atsushi Kawahara
Assignees (at issue)
Kyodo News Service
Nippon Kogaku K.K.
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.