Granted Patent
Utility
US 4,504,491 · App. 06/395,295
Pesticides
Inventors:
Michael Elliott, Norman F. Janes, Bhypinder P. S. Khambay
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Jul 6, 1982
Inventors
Michael Elliott
Norman F. Janes
Bhypinder P. S. Khambay
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.