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Header pallet
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Patent number 5,251,867
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Issue date Oct 12, 1993
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Roger Beacom
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B28 - WORKING CEMENT, CLAY, OR STONE
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Dual seal gasket
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Patent number 4,279,425
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Issue date Jul 21, 1981
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Roger Beacom
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Concrete pipe lift hole plug
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Patent number 4,262,701
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Issue date Apr 21, 1981
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Roger R. Beacom
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...