Granted Patent
Utility
US 4,345,934 · App. 06/015,029
Method of producing hybrid cereal grain seeds by application of 1-aryl-1,4-dihydro-4-oxo(thio)-pyridazines
Inventor:
Ted Tsutomu Fujimoto
Patented Case
View Patent ↗
Granted: Aug 24, 1982
Filed: Feb 26, 1979
Inventor
Ted Tsutomu Fujimoto
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.