Granted Patent
Utility
US 6,135,134 · App. 09/444,260
Excess flow volume control valve
Inventor:
Julian S. Taylor
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Nov 22, 1999
Inventor
Julian S. Taylor
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.