Granted Patent
Utility
US 4,701,804 · App. 06/730,046
Image reading apparatus
Inventors:
Kenji Toyoda, Toru Hishinuma
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: May 3, 1985
Inventors
Kenji Toyoda
Toru Hishinuma
Assignee (at issue)
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.