Granted Patent
Utility
US 5,209,656 · App. 07/751,967
Combustion system for high velocity gas injection
Inventors:
Hisashi Kobayashi, Arthur W. Francis, Jr.
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Aug 29, 1991
Inventors
Hisashi Kobayashi
Arthur W. Francis, Jr.
Assignee (at issue)
Praxair Technology, Inc.
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.