Granted Patent
Utility
US 4,630,439 · App. 06/740,580
Exhaust gas afterburner
Inventor:
Sharon J. Hudson, Jr.
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Jun 3, 1985
Inventor
Sharon J. Hudson, Jr.
Assignee (at issue)
Sharon Manufacturing Co., 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.