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Energy absorber
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Patent number 6,385,918
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Issue date May 14, 2002
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Robinson Seismic Limited
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William Henry Robinson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Energy absorber
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Patent number 6,321,492
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Issue date Nov 27, 2001
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Robinson Seismic Limited
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William Henry Robinson
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Damper
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Patent number 6,220,410
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Issue date Apr 24, 2001
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Damping Systems Limited
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William Henry Robinson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Energy absorber
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Patent number 6,141,919
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Issue date Nov 7, 2000
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Robinson Seismic Limited
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William Henry Robinson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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