Granted Patent
Utility
US 6,604,697 · App. 09/882,799
Impeller driven traveling sprinkler
Inventors:
Lawrence P. Heren, Scott Jacobs
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Jun 14, 2001
Inventors
Lawrence P. Heren
Scott Jacobs
Assignee (at issue)
L.R. Nelson 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.