Granted Patent
Utility
US 5,687,910 · App. 08/594,353
Sprinkler riser connecting apparatus
Inventor:
Robert J. King
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Jan 30, 1996
Inventor
Robert J. King
Assignee (at issue)
King Bros. Industries
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.