Granted Patent
Utility
US 4,919,849 · App. 07/289,265
Gas-liquid mixing process and apparatus
Inventors:
Lawrence M. Litz, John J. Santalone, Jr.
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Dec 23, 1988
Inventors
Lawrence M. Litz
John J. Santalone, Jr.
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.