Granted Patent
Utility
US 4,457,922 · App. 06/363,832
Pesticidal bisphenol phosphates
Inventor:
Charles A. Wilson
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Mar 31, 1982
Inventor
Charles A. Wilson
Assignee (at issue)
Union Carbide Corporation
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.