Granted Patent
Utility
US 5,532,209 · App. 08/465,066
Propanil dispersible granule formulation
Inventors:
Richard David Houghton, Linda Graham, David Prescott Krutsch
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Jun 6, 1995
Inventors
Richard David Houghton
Linda Graham
David Prescott Krutsch
Assignee (at issue)
Rohm and Haas 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.