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Cable length adjustment mechanism
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Patent number 8,215,202
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Issue date Jul 10, 2012
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Grand Rapids Controls Company, LLC
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Mark G. Tomandl
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Control mechanism
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Patent number 8,066,327
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Issue date Nov 29, 2011
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Grand Rapids Controls Company LLC
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Mark G. Tomandl
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B60 - VEHICLES IN GENERAL
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Compensator for cables
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Patent number 7,841,257
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Issue date Nov 30, 2010
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Grand Rapids Controls Company, LLC
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Mark G. Tomandl
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Stored energy control mechanism
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Patent number 7,631,938
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Issue date Dec 15, 2009
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Grand Rapids Controls Company, LLC
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Mark G. Tomandl
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B60 - VEHICLES IN GENERAL