Granted Patent
Utility
US 6,550,076 · App. 09/967,012
Valve assembly for a pressure flush system
Inventor:
Robert H. Fish
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Sep 28, 2001
Inventor
Robert H. Fish
Assignee (at issue)
Sloan Valve 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.