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Ralph B. Di Palma
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New Hyde Park, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Rechargeable batteries and methods of preparing same
Patent number
5,776,629
Issue date
Jul 7, 1998
Pall Corporation
Peter J. Degen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for use in a battery
Patent number
5,523,183
Issue date
Jun 4, 1996
Pall Corporation
Paul C. Koehler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bilevel rechargeable cell
Patent number
4,292,383
Issue date
Sep 29, 1981
Duracell International Inc.
Ralph Di Palma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Composite separator/absorbent
Patent number
4,220,693
Issue date
Sep 2, 1980
P. R. Mallory & Co. Inc.
Ralph B. Di Palma
B32 - LAYERED PRODUCTS