Granted Patent
Utility
US 5,879,149 · App. 08/708,809
Fuel control and preheating system for a fuel-burning heater
Inventors:
Eugene C. Briggs, Wayne Robertson, Christopher L. Gansel, Gregory A. Agee
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Sep 9, 1996
Inventors
Eugene C. Briggs
Wayne Robertson
Christopher L. Gansel
Gregory A. Agee
Assignee (at issue)
Black Gold Corporation
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.