Granted Patent
Utility
US 5,372,497 · App. 08/066,345
Process and apparatus for igniting a burner in an inert atmosphere
Inventors:
Dennis W. Coolidge, Franklin G. Rinker
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: May 24, 1993
Inventors
Dennis W. Coolidge
Franklin G. Rinker
Assignee (at issue)
SGI International, Inc.
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.