Granted Patent
Utility
US 4,407,670 · App. 06/237,108
Biocidal compounds and compositions
Inventors:
Trevor A. Crabb, Graham Jackson, Philip A. Jupp
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Feb 23, 1981
Inventors
Trevor A. Crabb
Graham Jackson
Philip A. Jupp
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.