Granted Patent
Utility
US 6,675,827 · App. 10/118,819
Control stop cap friction ring
Inventors:
John R. Wilson, Steven R. Oliver
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Apr 9, 2002
Inventors
John R. Wilson
Steven R. Oliver
Assignee (at issue)
Sloan Valve Company
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.