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Housing for photoelectric control
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Patent number D471162
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Issue date Mar 4, 2003
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Banner Engineering Corporation
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Robert W. Fayfield
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D13 - Equipment for production, distribution, or transformation of energy
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Housing for photoelectric control
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Patent number D470462
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Issue date Feb 18, 2003
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Banner Engineering Corp.
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Robert W. Fayfield
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D13 - Equipment for production, distribution, or transformation of energy
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Self checking safety switch
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Patent number 6,285,021
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Issue date Sep 4, 2001
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Banner Engineering Corp.
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Robert W. Fayfield
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G01 - MEASURING TESTING
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Housing for photoelectric control
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Patent number D442563
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Issue date May 22, 2001
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Banner Engineering Corp.
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Robert W. Fayfield
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D13 - Equipment for production, distribution, or transformation of energy
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Housing for photoelectric control
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Patent number D412316
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Issue date Jul 27, 1999
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Banner Engineering Corporation
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Robert W. Fayfield
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D13 - Equipment for production, distribution, or transformation of energy
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Level indicator with alarm
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Patent number 4,965,548
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Issue date Oct 23, 1990
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Banner Engineering Corp.
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Robert W. Fayfield
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G01 - MEASURING TESTING
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Modular photoelectric switch
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Patent number 4,217,492
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Issue date Aug 12, 1980
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Banner Engineering Corp.
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Robert W. Fayfield
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR