Granted Patent
Utility
US 6,345,768 · App. 09/584,460
Control valve for vessel gas water heater
Inventors:
Hideo Inagaki, Atsushi Tanahashi
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: May 31, 2000
Inventors
Hideo Inagaki
Atsushi Tanahashi
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.