Granted Patent
Utility
US 6,460,563 · App. 08/705,321
Irrigation system apparatus, and related method
Inventors:
Donald O. Olson, Gerald H. Peterson, Aaron De Laby
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Aug 29, 1996
Inventors
Donald O. Olson
Gerald H. Peterson
Aaron De Laby
Assignee (at issue)
Olson Irrigation Systems
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.