Granted Patent
Utility
US 6,764,979 · App. 10/257,698
Aqueous herbicidal agent
Inventors:
Horst-Werner Wollenweber, Hans-Georg Mainx, Benoit Abribat, Hans De Ruiter
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Feb 20, 2003
Inventors
Horst-Werner Wollenweber
Hans-Georg Mainx
Benoit Abribat
Hans De Ruiter
Assignee (at issue)
Cognis Deutschland GmbH & Co. KG
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.