Granted Patent
Utility
US 4,437,747 · App. 06/369,005
Device for mounting an electronic flash unit
Inventors:
Masato Ohno, Keiji Ohsawa
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Apr 16, 1982
Inventors
Masato Ohno
Keiji Ohsawa
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.