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Manual toilet bowl cleaner
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Patent number 6,255,267
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Issue date Jul 3, 2001
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HPD Laboratories, Inc.
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Bala C. Nayar
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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 5,763,376
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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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