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Rotary/linear actuator
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Patent number 4,909,099
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Issue date Mar 20, 1990
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Windwinder Corporation
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Otmar M. Ulbing
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rotary/linear actuator
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Patent number 4,854,189
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Issue date Aug 8, 1989
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Windwinder Corporation
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Otmar M. Ulbing
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rotary/linear actuator
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Patent number 4,848,184
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Issue date Jul 18, 1989
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Windwinder Corporation
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Otmar M. Ulbing
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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-
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Harmonic screw actuator
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Patent number 4,557,153
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Issue date Dec 10, 1985
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Air Monitor Corporation
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Otmar M. Ulbing
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hoist test stand
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Patent number 4,223,554
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Issue date Sep 23, 1980
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Columbus McKinnon Corporation
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Otmar M. Ulbing
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B66 - HOISTING LIFTING HAULING
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Control station switch
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Patent number 4,105,882
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Issue date Aug 8, 1978
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Columbus McKinnon Corporation
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Otmar M. Ulbing
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H01 - BASIC ELECTRIC ELEMENTS
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Safety hook
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Patent number 3,940,173
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Issue date Feb 24, 1976
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Columbus McKinnon Corporation
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Otmar M. Ulbing
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B66 - HOISTING LIFTING HAULING