Granted Patent
Utility
US 4,534,784 · App. 06/638,078
Method of controlling weed pests
Inventor:
James L. Ahle
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Aug 6, 1984
Inventor
James L. Ahle
Assignee (at issue)
Stauffer Chemical 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.