Granted Patent
Utility
US 4,622,337 · App. 06/612,807
2,2-dimethyl-3-(2-halovinyl)cyclopropane carboxlic acid ester pesticides
Inventors:
Michael Elliott, Norman F. Janes, David A. Pulman
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: May 22, 1984
Inventors
Michael Elliott
Norman F. Janes
David A. Pulman
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.