Granted Patent
Utility
US 4,454,077 · App. 06/396,281
Process and apparatus for mixing a gas and a liquid
Inventor:
Lawrence M. Litz
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Jul 8, 1982
Inventor
Lawrence M. Litz
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.