Granted Patent
Utility
US 4,919,686 · App. 07/102,838
Process for the pyrolytic production of synthetic gas
Inventor:
Raymond S. Edwards
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Sep 30, 1987
Inventor
Raymond S. Edwards
Assignee (at issue)
GENPOWER, 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.