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Microbicidal coated beads
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Patent number 4,682,992
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Issue date Jul 28, 1987
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Potters Industries, Inc.
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Alfred E. Fuchs
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Retroreflective materials and use
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Patent number 4,609,587
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Issue date Sep 2, 1986
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Potters Industries, Inc.
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John J. Giordano
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES