Granted Patent
Utility
US 4,312,693 · App. 06/154,848
Bonding of polyurethane to silicone rubber
Inventors:
George A. Salensky, Ronald A. Martineau
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: May 30, 1980
Inventors
George A. Salensky
Ronald A. Martineau
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.