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Power-operated window lock
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Patent number 4,703,960
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Issue date Nov 3, 1987
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Amerock Corporation
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Robert F. Lense
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Window
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Patent number 4,307,542
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Issue date Dec 29, 1981
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Amerock Corporation
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Robert F. Lense
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Package
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Patent number 4,199,058
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Issue date Apr 22, 1980
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Amerock Corporation
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Robert F. Lense
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL