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Ultrasonic cutting device
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Patent number 5,752,423
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Issue date May 19, 1998
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Nestec S.A.
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Francis F. H. Rawson
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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Cutting device
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Patent number 5,228,372
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Issue date Jul 20, 1993
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Nestec S.A.
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Martin Harrop
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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Ultrasonic cutting apparatus
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Patent number 5,226,343
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Issue date Jul 13, 1993
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Nestec S.A.
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Francis F. H. Rawson
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B28 - WORKING CEMENT, CLAY, OR STONE