Granted Patent
Utility
US 4,137,308 · App. 05/850,764
1,3-Oxazole phosphates and phosphonates as insecticides and miticides
Inventor:
Arnold D. Gutman
Patented Case
View Patent ↗
Granted: Jan 30, 1979
Filed: Nov 11, 1977
Inventor
Arnold D. Gutman
Assignee (at issue)
Stauffer Chemical 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.