Granted Patent
Utility
US 4,469,579 · App. 06/419,922
Solid polymer electrolytes and electrode bonded with hydrophylic fluorocopolymers
Inventors:
Michael J. Covitch, Donald L. DeRespiris, Leo L. Benezra, Elvin M. Vauss, Jr.
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Sep 20, 1982
Inventors
Michael J. Covitch
Donald L. DeRespiris
Leo L. Benezra
Elvin M. Vauss, Jr.
Assignee (at issue)
Diamond Shamrock 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.