Granted Patent
Utility
US 5,218,832 · App. 07/760,776
Separation method and apparatus for a liquid and gas mixture
Inventor:
Richard Woolley
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Sep 16, 1991
Inventor
Richard Woolley
Assignee (at issue)
BALL 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.