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Frederick L. Marsh
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Fridley, MN, US
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last 30 patents
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Patent Grant
Lead oxide composition for use in lead-acid batteries
Patent number
5,352,549
Issue date
Oct 4, 1994
GNB Battery Technologies Inc.
Purushothama Rao
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method of preparing lead-acid battery plates and lead-acid batterie...
Patent number
4,713,304
Issue date
Dec 15, 1987
GNB Incorporated
Purushothama Rao
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Lead oxide composition for use in lead-acid batteries
Patent number
4,329,408
Issue date
May 11, 1982
Gould Inc.
George W. Mao
H01 - BASIC ELECTRIC ELEMENTS