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Wet integral windshield wiper arm
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Patent number 5,349,717
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Issue date Sep 27, 1994
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ITT Automotive Electrical Systems, Inc.
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Douglas D. Patterson
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B60 - VEHICLES IN GENERAL
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Exhaust gas operated vacuum pump assembly
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Patent number 4,502,847
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Issue date Mar 5, 1985
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General Motors Corporation
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Donald J. Pozniak
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Exhaust gas operated vacuum pump assembly
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Patent number 4,479,765
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Issue date Oct 30, 1984
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General Motors Corporation
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Gerald F. Robertson
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Exhaust driven vacuum pump assembly
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Patent number 4,459,088
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Issue date Jul 10, 1984
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General Motors Corporation
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Michael J. McClain
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS