Granted Patent
Utility
US 4,359,326 · App. 06/208,762
Fluidized bed reactor apparatus and related gasification system
Inventors:
Franklin D. Hoffert, John Milligan, Jose M. Marina, Jose Fernandez
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: Nov 20, 1980
Inventors
Franklin D. Hoffert
John Milligan
Jose M. Marina
Jose Fernandez
Assignee (at issue)
Hydrocarbon Research, 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.