Granted Patent
Utility
US 5,350,115 · App. 08/101,651
Lawn sprinkler with cam-controlled variable spray pattern
Inventors:
Douglas Burnworth, Joachim H. Lungershausen
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Aug 10, 1993
Inventors
Douglas Burnworth
Joachim H. Lungershausen
Assignee (at issue)
Vermont American 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.