Granted Patent
Utility
US 4,303,718 · App. 06/157,998
Printing ink formulations
Inventor:
James A. Snelgrove
Patented Case
View Patent ↗
Granted: Dec 1, 1981
Filed: Jun 9, 1980
Inventor
James A. Snelgrove
Assignee (at issue)
Monsanto 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.