Granted Patent
Utility
US 4,333,971 · App. 06/270,777
Substrate treating compositions
Inventor:
Donald N. Van Eenam
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Jun 5, 1981
Inventor
Donald N. Van Eenam
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.