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Dead bolt combination lock
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Patent number 4,646,547
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Issue date Mar 3, 1987
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Presto Lock, Inc.
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Stephen S. Scelba
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Security device for firearms
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Patent number 4,499,681
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Issue date Feb 19, 1985
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Presto Lock, Inc.
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Lazlo Bako
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Combination locks
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Patent number 4,450,698
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Issue date May 29, 1984
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Presto Lock, Inc.
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Stephen S. Scelba
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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