Granted Patent
Utility
US 4,772,408 · App. 07/047,183
Silicate-containing antifreeze with phosphonate silane stabilizer
Inventors:
Paul H. Mohr, Enrico J. Pepe
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: May 6, 1987
Inventors
Paul H. Mohr
Enrico J. Pepe
Assignee (at issue)
First Brands 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.