Granted Patent
Utility
US 6,441,888 · App. 09/527,476
Rangefinder
Inventors:
Takeo Azuma, Kenya Uomori
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Mar 17, 2000
Inventors
Takeo Azuma
Kenya Uomori
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.