Granted Patent
Utility
US 4,811,114 · App. 07/014,453
Image reading apparatus
Inventors:
Hiroyuki Yamamoto, Toshifumi Isobe
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Feb 13, 1987
Inventors
Hiroyuki Yamamoto
Toshifumi Isobe
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.