Granted Patent
Utility
US 5,203,315 · App. 07/931,750
Gas convection oven with dual function burner
Inventors:
Lawrence G. Clawson, Edward R. Cook
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Aug 18, 1992
Inventors
Lawrence G. Clawson
Edward R. Cook
Assignee (at issue)
Raytheon Company
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.