Granted Patent
Utility
US 5,674,065 · App. 08/589,501
Apparatus for controlling the supply of gas to and heat from unvented gas heating appliances
Inventors:
Maurizio Grando, Michele Bortoliero, Kenneth Fox
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: Jan 22, 1996
Inventors
Maurizio Grando
Michele Bortoliero
Kenneth Fox
Assignee (at issue)
OP S.r.l.
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.