Granted Patent
Utility
US 6,498,965 · App. 09/850,155
System for controlling vending machine
Inventors:
Naoto Matsumoto, Kazuyasu Ushigome, Tomonobu Sato, Masaru Ohkubo
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: May 8, 2001
Inventors
Naoto Matsumoto
Kazuyasu Ushigome
Tomonobu Sato
Masaru Ohkubo
Assignee (at issue)
SANDEN CORPORATION
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.