Granted Patent
Utility
US 4,441,810 · App. 06/281,890
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Inventors:
Haruhiko Momose, Toshiaki Takahashi, Yasushi Hoshino
Patented Case
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Granted: Apr 10, 1984
Filed: Jul 9, 1981
Inventors
Haruhiko Momose
Toshiaki Takahashi
Yasushi Hoshino
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.