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Window operator
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Patent number 12,297,684
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Issue date May 13, 2025
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QuB LLC
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Frank W. Campbell
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Window operating system
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Patent number 11,002,057
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Issue date May 11, 2021
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QuB LLC
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John J. Micinski
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Rack gear operator
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Patent number 8,434,265
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Issue date May 7, 2013
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Frank W. Campbell
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Lead screw operator
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Patent number 8,365,470
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Issue date Feb 5, 2013
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Frank W. Campbell
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES