Granted Patent
Utility
US 5,860,442 · App. 08/636,021
Fluid pressure shutoff and relief valve
Inventor:
Julian S. Taylor
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Apr 22, 1996
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.