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Lavatory cleaning block
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Patent number 5,763,376
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Issue date Jun 9, 1998
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Block Drug Company, Inc.
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Kenneth Ward
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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Lavatory cleaning block
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Patent number 5,578,559
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Issue date Nov 26, 1996
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Block Drug Company, Inc.
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Richard Dolan
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C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...