Granted Patent
Utility
US 4,324,580 · App. 05/835,071
Herbicidal and plant growth inhibiting agent
Inventors:
Christian Vogel, Rudolf Aebi
Patented Case
View Patent ↗
Granted: Apr 13, 1982
Filed: Sep 20, 1977
Inventors
Christian Vogel
Rudolf Aebi
Assignee (at issue)
Ciba-Geigy
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.