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Hydraulic cylinder safety stop
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Patent number 9,567,855
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Issue date Feb 14, 2017
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Robert Kundel
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Anchoring system
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Patent number 9,518,402
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Issue date Dec 13, 2016
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Kundel Industries, Inc.
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Robert Kundel
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E04 - BUILDING
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Modular trench box sheeting
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Patent number 5,669,738
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Issue date Sep 23, 1997
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Robert Kundel
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Modular trench box sheeting
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Patent number 5,533,838
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Issue date Jul 9, 1996
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Robert Kundel
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING