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Richard L. Maass
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Emmaus, PA, US
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last 30 patents
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Patent Grant
Embossed decorative sheet-type material and process for making same
Patent number
3,978,258
Issue date
Aug 31, 1976
GAF Corporation
Kenneth J. Faust
B44 - DECORATIVE ARTS
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Patent Grant
Mechanical embossing of foamed sheet material
Patent number
3,932,245
Issue date
Jan 13, 1976
GAF Corporation
Edward R. Erb
B44 - DECORATIVE ARTS