Granted Patent
Utility
US 5,498,944 · App. 08/119,842
Automatic focusing apparatus
Inventor:
Masahiro Nakata
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Sep 13, 1993
Inventor
Masahiro Nakata
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.