Granted Patent
Utility
US 6,390,387 · App. 09/405,695
Shielded plot sprayer
Inventor:
Sammy J. Stehling
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: Sep 24, 1999
Inventor
Sammy J. Stehling
Assignee (at issue)
Monsanto Company
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.