Ralph B. Di Palma

Follow

Person

New Hyde Park, NY, US

People

Patents Grantslast 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