Granted Patent
Utility
US 6,659,119 · App. 10/020,611
Fluid pressure responsive dual piston or emergency shutdown valve actuator
Inventor:
Julian S. Taylor
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Dec 18, 2001
Inventor
Julian S. Taylor
Assignee (at issue)
Taylor Innovations, LLC
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.