Granted Patent
Utility
US 4,318,713 · App. 06/192,894
Method for gasifying cellulosic material
Inventors:
George T. Lee, John N. Lees, Jr., Paul M. Pukita
Patented Case
View Patent ↗
Granted: Mar 9, 1982
Filed: Oct 1, 1980
Inventors
George T. Lee
John N. Lees, Jr.
Paul M. Pukita
Assignee (at issue)
Allis-Chalmers 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.