Granted Patent
Utility
US 4,900,480 · App. 07/358,084
Gas-liquid mixing
Inventors:
Lawrence M. Litz, Mark K. Weise, Mitchell Adis
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: May 30, 1989
Inventors
Lawrence M. Litz
Mark K. Weise
Mitchell Adis
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.