Granted Patent
Utility
US 4,545,810 · App. 06/478,689
Herbicidal and plant growth regulant diphenylpyridazinones
Inventors:
William J. Pyne, John Lowbridge, In-Kook Chang, Florian Knotz, Larry J. Powers
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Mar 25, 1983
Inventors
William J. Pyne
John Lowbridge
In-Kook Chang
Florian Knotz
Larry J. Powers
Assignee (at issue)
SDS Biotech Kabushiki Kaisha
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.