James K. Kung

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Lexington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Battery separator
- Patent number 5,389,433
- Issue date Feb 14, 1995
- W. R. Grace & Co.-Conn.
- Victor S. C. Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wettable battery separator for alkaline batteries
- Patent number 5,389,471
- Issue date Feb 14, 1995
- W. R. Grace & Co.-Conn.
- James K. Kung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery separator
- Patent number 5,362,582
- Issue date Nov 8, 1994
- W. R. Grace & Co.-Conn.
- Victor S. Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery separator for nickel/metal hydride batteries
- Patent number 5,298,348
- Issue date Mar 29, 1994
- W. R. Grace & Co.-Conn.
- James K. Kung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deep cycle battery separators
- Patent number 5,154,988
- Issue date Oct 13, 1992
- W. R. Grace & Co.-Conn.
- Wai M. Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery separator
- Patent number 4,699,857
- Issue date Oct 13, 1987
- W. R. Grace & Co.
- Richard T. Giovannoni
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...