Granted Patent
Utility
US 5,740,477 · App. 08/798,339
Multi-point object distance measuring device
Inventors:
Kosei Kosako, Takuma Sato
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Feb 10, 1997
Inventors
Kosei Kosako
Takuma Sato
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.