Granted Patent
Utility
US 4,701,277 · App. 06/855,380
Silicate-containing antifreeze with carboxy-substituted organosilicon stabilizer
Inventors:
Paul H. Mohr, Enrico J. Pepe
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Apr 24, 1986
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.