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Frank W. Melpolder
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Wallingford, PA, US
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last 30 patents
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Patent Grant
Stabilized water indicating paste composition
Patent number
4,717,671
Issue date
Jan 5, 1988
Pony Industries, Inc.
Frank W. Melpolder
G01 - MEASURING TESTING
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Patent Grant
Composition and probe for detection of water
Patent number
4,699,885
Issue date
Oct 13, 1987
Frank W. Melpolder
G01 - MEASURING TESTING
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Patent Grant
Stabilized water indicating paste composition
Patent number
4,578,357
Issue date
Mar 25, 1986
Atlantic Richfield Company
Frank W. Melpolder
G01 - MEASURING TESTING