Granted Patent
Utility
US 4,431,400 · App. 06/289,885
Ignition system for post-mixed burner
Inventors:
Hisashi Kobayashi, Raymond H. Miller, John Erling Anderson
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Aug 4, 1981
Inventors
Hisashi Kobayashi
Raymond H. Miller
John Erling Anderson
Assignee (at issue)
Union Carbide 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.