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Illuminated grate
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Patent number 5,806,966
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Issue date Sep 15, 1998
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McKinley Tree Grate Co., Inc.
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Judith M. Crowder
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Illuminated metal grate
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Patent number 5,725,297
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Issue date Mar 10, 1998
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McKinley Tree Grate Co., Inc.
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Judith M. Crowder
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G02 - OPTICS