Granted Patent
Utility
US 4,239,539 · App. 06/051,513
Aminosilane modified zinc-rich coating compositions
Inventors:
Thomas Ginsberg, Lawrence G. Kaufman
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Jun 25, 1979
Inventors
Thomas Ginsberg
Lawrence G. Kaufman
Assignee (at issue)
Union Carbide 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.