Granted Patent
Utility
US 6,639,656 · App. 10/098,566
Distance measuring apparatus
Inventors:
Yuji Takada, Satoshi Furukawa, Atsuyuki Hirono, Motoo Ikari
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Mar 18, 2002
Inventors
Yuji Takada
Satoshi Furukawa
Atsuyuki Hirono
Motoo Ikari
Assignee (at issue)
Matsushita Electric Works, 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.