Granted Patent
Utility
US 5,312,244 · App. 07/993,242
Burner with grille and heating installation fitted with such a burner
Inventors:
Bernard Marchand, Philippe Morand
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Dec 17, 1992
Inventors
Bernard Marchand
Philippe Morand
Assignee (at issue)
Gaz de France
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.