Granted Patent
Utility
US 4,693,680 · App. 06/896,211
Flame stabilized post-mixed burner
Inventors:
William J. Snyder, Hisashi Kobayashi
Patented Case
View Patent ↗
Granted: Sep 15, 1987
Filed: Aug 14, 1986
Inventors
William J. Snyder
Hisashi Kobayashi
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.