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William Platt Lewis
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West Chester, OH, US
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last 30 patents
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Patent Grant
Apparatus and process for manufacture of variegated soap bars
Patent number
4,092,388
Issue date
May 30, 1978
The Procter & Gamble Company
William Platt Lewis
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...