Granted Patent
Utility
US 4,399,537 · App. 06/237,765
Control circuit and fuel burner incorporating a control circuit
Inventor:
Gregory E. Jones
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: Feb 24, 1981
Inventor
Gregory E. Jones
Assignee (at issue)
British Gas
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.