Granted Patent
Utility
US 5,046,538 · App. 07/248,599
Mixing valve nozzle
Inventors:
George Allison, Roy Valeo
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: Sep 26, 1988
Inventors
George Allison
Roy Valeo
Assignees (at issue)
Fluid Packaging Company Inc.
THE DOW CHEMICAL COMPANY
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.