Granted Patent
Utility
US 5,084,073 · App. 07/596,098
Membrane drying process and system
Inventor:
Ravi Prasad
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Oct 11, 1990
Inventor
Ravi Prasad
Assignee (at issue)
Union Carbide Industrial Gases Technology 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.