Granted Patent
Utility
US 4,757,865 · App. 06/932,706
Fast response sprinkler head
Inventor:
John R. Simons
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Nov 19, 1986
Inventor
John R. Simons
Assignee (at issue)
Star Sprinkler Corporation
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.