Granted Patent
Utility
US 6,736,162 · App. 10/116,859
Pressure relief valve with improved repairability
Inventors:
Kenneth Roger Schimnowski, Jeffrey L. Cole, Thomas Bethell Oliver
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Apr 5, 2002
Inventors
Kenneth Roger Schimnowski
Jeffrey L. Cole
Thomas Bethell Oliver
Assignee (at issue)
Fisher Controls International 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.