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Everett L. Calegan
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Homewood, IL, US
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last 30 patents
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Patent Grant
Permutation controlled padlock
Patent number
4,170,884
Issue date
Oct 16, 1979
Junkunc Bros. American Lock Company
Everett L. Calegan
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Patent Grant
Combination-controlled and key-operated security padlock
Patent number
4,055,972
Issue date
Nov 1, 1977
Junkunc Bros. American Lock Company
Everett L. Calegan
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES