Frank E. Parsen

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Weston, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cell corrosion reduction
- Patent number 4,840,644
- Issue date Jun 20, 1989
- Duracell Inc.
- Purush Chalilpoyil
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cell corrosion reduction
- Patent number 4,777,100
- Issue date Oct 11, 1988
- Duracell Inc.
- Purush Chalilpoyil
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cell corrosion reduction
- Patent number 4,585,716
- Issue date Apr 29, 1986
- Duracell Inc.
- Purush Chalilpoyil
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Corrosion and hydrogen evolution inhibitors for current-producing c...
- Patent number 4,377,625
- Issue date Mar 22, 1983
- Duracell Inc.
- Frank E. Parsen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrochemical cells having hydrogen gas absorbing agent
- Patent number 4,350,745
- Issue date Sep 21, 1982
- Duracell Inc.
- Frank E. Parsen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cell having a gelled anode containing a polyhydric alcohol
- Patent number 4,332,870
- Issue date Jun 1, 1982
- Duracell International Inc.
- Frank E. Parsen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming in situ gelled anode
- Patent number 4,288,913
- Issue date Sep 15, 1981
- Duracell International Inc.
- Frank E. Parsen
- H01 - BASIC ELECTRIC ELEMENTS