Granted Patent
Utility
US 5,509,349 · App. 08/047,967
Beverage valve venturi apparatus
Inventors:
Kyle T. Anderson, Duke W. Goss, Michael Lee
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Apr 15, 1993
Inventors
Kyle T. Anderson
Duke W. Goss
Michael Lee
Assignee (at issue)
Caffe Acorto, Inc.
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.