Granted Patent
Utility
US 4,488,682 · App. 06/529,993
Cooling system for post-mixed burner
Inventors:
Hisashi Kobayashi, William J. Snyder
Patented Case
View Patent ↗
Granted: Dec 18, 1984
Filed: Sep 7, 1983
Inventors
Hisashi Kobayashi
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.