Granted Patent
Utility
US 4,430,865 · App. 06/451,190
Method for cooling a process gas stream
Inventor:
Robert B. Davis
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Dec 20, 1982
Inventor
Robert B. Davis
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.