Granted Patent
Utility
US 6,276,389 · App. 09/544,182
Toxic fluid safe relief valve
Inventor:
Julian S. Taylor
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Apr 6, 2000
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.