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Low friction solder electrodeposits
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Patent number 5,667,659
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Issue date Sep 16, 1997
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Handy & Harman
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Therese R. Souza
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Backflushing system
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Patent number 4,244,821
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Issue date Jan 13, 1981
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Clevepak Corporation
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Allen E. Molvar
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B08 - CLEANING
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Aeration method and system
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Patent number 4,157,304
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Issue date Jun 5, 1979
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Clevepak Corporation
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Allen E. Molvar
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Backflushing method
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Patent number 4,152,259
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Issue date May 1, 1979
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Clevepak Corporation
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Allen E. Molvar
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B08 - CLEANING