Granted Patent
Utility
US 4,422,302 · App. 06/404,762
Process for cooling and fluidizing
Inventors:
Robert B. Davis, Mark A. Delano
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Aug 3, 1982
Inventors
Robert B. Davis
Mark A. Delano
Assignee (at issue)
Union Carbide 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.