Granted Patent
Utility
US 6,470,150 · App. 09/785,184
Distance measuring apparatus
Inventor:
Naoto Nakahara
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Feb 20, 2001
Inventor
Naoto Nakahara
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.