Granted Patent
Utility
US 6,651,696 · App. 09/957,009
Relief valve
Inventors:
Rodney C. Hope, Richard R. Watson, F. Harold Hollister
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Sep 20, 2001
Inventors
Rodney C. Hope
Richard R. Watson
F. Harold Hollister
Assignee (at issue)
GILMORE 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.