Granted Patent
Utility
US 4,633,896 · App. 06/834,548
Operating nut for fire hydrant
Inventors:
Gary R. Bainbridge, Lewis D. McCauley, Jeffrey R. Sullivan
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Feb 28, 1986
Inventors
Gary R. Bainbridge
Lewis D. McCauley
Jeffrey R. Sullivan
Assignee (at issue)
McGard 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.