Granted Patent
Utility
US 4,568,024 · App. 06/515,802
Oscillating sprinkler
Inventor:
Edwin J. Hunter
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Jul 21, 1983
Inventor
Edwin J. Hunter
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.