Granted Patent
Utility
US 6,491,189 · App. 09/827,549
Dispensing valve for fluids
Inventor:
Mitchell Friedman
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Apr 6, 2001
Inventor
Mitchell Friedman
Assignee (at issue)
International Dispensing 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.