Granted Patent
Utility
US 4,699,586 · App. 06/863,785
Method for igniting a multiburner furnace
Inventor:
William J. Snyder
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: May 16, 1986
Inventor
William J. Snyder
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.