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Universal Industrial Products., a Division of Core Industries, Inc.
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Pioneer, OH, US
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Patent Grant
Self-closing invisible hinge with selectively variable closing force
Patent number
4,875,252
Issue date
Oct 24, 1989
Universal Industrial Products., a Division of Core Industries, Inc.
Donald R. Falconer
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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