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Transparent static reducing mat
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Patent number 4,590,120
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Issue date May 20, 1986
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William G. Klein
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Chair mat
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Patent number 4,472,471
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Issue date Sep 18, 1984
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United Technical Products Inc.
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William G. Klein
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Carpeting
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Patent number 4,153,749
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Issue date May 8, 1979
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United Technical Products, Inc.
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William G. Klein
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D03 - WEAVING