Granted Patent
Utility
US 4,183,208 · App. 05/861,036
Fluidized bed gasifier
Inventors:
John J. Horgan, Stuart Hamilton
Patented Case
View Patent ↗
Granted: Jan 15, 1980
Filed: Dec 15, 1977
Inventors
John J. Horgan
Stuart Hamilton
Assignee (at issue)
UNITED TECHNOLOGIES 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.