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Brian D. Costley
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Nicholasville, KY, US
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last 30 patents
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Patent Grant
Manipulation resistant combination lock with magnets
Patent number
5,473,919
Issue date
Dec 12, 1995
Sargent & Greenleaf, Inc.
Roy T. Abner
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES