Granted Patent
Utility
US 4,470,830 · App. 06/506,231
Treating gases with liquids
Inventor:
Raymond P. Aubert
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Jun 20, 1983
Inventor
Raymond P. Aubert
Assignee (at issue)
AT&T Technologies Incorporated
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.