Granted Patent
Utility
US 4,457,934 · App. 06/404,245
Insect repellent compounds
Inventor:
Rayman Y. Wong
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Aug 2, 1982
Inventor
Rayman Y. Wong
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.