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Control panel for a lift cage
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Patent number 6,029,778
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Issue date Feb 29, 2000
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Inventio AG
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Jose Luis Lacarte Estallo
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B66 - HOISTING LIFTING HAULING
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Push button assembly
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Patent number 5,477,942
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Issue date Dec 26, 1995
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Inventio AG
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Timothy S. Shea
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B66 - HOISTING LIFTING HAULING
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Piezoresistive elevator button
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Patent number 5,040,640
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Issue date Aug 20, 1991
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Otis Elevator Company
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Chester J. Slabinski
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B66 - HOISTING LIFTING HAULING
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Illuminated pushbutton assembly
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Patent number 4,179,594
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Issue date Dec 18, 1979
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Westinghouse Electric Corp.
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Forrest E. Coyle
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B66 - HOISTING LIFTING HAULING
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