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Abrasive jet machining
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Patent number 4,893,440
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Issue date Jan 16, 1990
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Airsonics License Partnership
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Ben J. Gallant
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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Abrasive jet machining
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Patent number 4,733,503
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Issue date Mar 29, 1988
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Airsonics License Partnership
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Ben J. Gallant
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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Power steering direction sensor
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Patent number 4,366,768
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Issue date Jan 4, 1983
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Pennwalt Corporation
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Walter Kulischenko
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Gearless position indicator
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Patent number 4,334,491
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Issue date Jun 15, 1982
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Pennwalt Corporation
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Walter Kulischenko
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Marine steering system
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Patent number 4,327,658
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Issue date May 4, 1982
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Pennwalt Corporation
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Walter Kulischenko
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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