Granted Patent
Utility
US 6,367,372 · App. 09/947,705
Valve opening/closing device of a fryer
Inventors:
Hideo Chikazawa, Tsuneyasu Hayakawa, Hideki Kijimoto
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Sep 6, 2001
Inventors
Hideo Chikazawa
Tsuneyasu Hayakawa
Hideki Kijimoto
Assignee (at issue)
Paloma Industries, Limited
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.