Granted Patent
Utility
US 5,177,019 · App. 07/702,484
Method of quantitative analysis of organophosphorus compounds
Inventors:
Thomas J. Devon, Jerry C. Dobbs
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: May 20, 1991
Inventors
Thomas J. Devon
Jerry C. Dobbs
Assignee (at issue)
EASTMAN KODAK 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.