Granted Patent
Utility
US 5,167,921 · App. 07/795,170
Liquid and gas separation system
Inventor:
Lucas S. Gordon
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Nov 19, 1991
Inventor
Lucas S. Gordon
Assignee (at issue)
Baxter International Inc.
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.