Granted Patent
Utility
US 6,695,000 · App. 10/144,348
Control valve pressure bleed inspection port
Inventors:
Randy Hall, Ronald Burr, Mark Stiehl
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: May 10, 2002
Inventors
Randy Hall
Ronald Burr
Mark Stiehl
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.