Granted Patent
Utility
US 4,484,933 · App. 06/504,148
Process for drying gas streams
Inventor:
Alan P. Cohen
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Jun 14, 1983
Inventor
Alan P. Cohen
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.