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Jacob J. Creskoff
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Wynnewood, PA, US
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last 30 patents
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Patent Grant
Parting agent for molds used in forming concrete and method of use
Patent number
4,167,549
Issue date
Sep 11, 1979
Jacob J. Creskoff
B28 - WORKING CEMENT, CLAY, OR STONE
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Patent Grant
Vacuum lifting apparatus
Patent number
4,166,648
Issue date
Sep 4, 1979
Jacob J. Creskoff
B66 - HOISTING LIFTING HAULING