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Two-way rotary lock
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Patent number 4,835,997
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Issue date Jun 6, 1989
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A. L. Hansen Manufacturing Company
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Michael V. Akright
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3858919
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Patent number 3,858,919
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Issue date Jan 7, 1975
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3552791
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Patent number 3,552,791
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Issue date Jan 5, 1971
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2284180
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Patent number 2,284,180
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Issue date May 26, 1942
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2272167
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Patent number 2,272,167
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Issue date Feb 10, 1942
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2236702
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Patent number 2,236,702
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Issue date Apr 1, 1941
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2123303
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Patent number 2,123,303
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Issue date Jul 12, 1938
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2102373
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Patent number 2,102,373
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Issue date Dec 14, 1937
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2100591
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Patent number 2,100,591
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Issue date Nov 30, 1937
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1594084
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Patent number 1,594,084
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Issue date Jul 27, 1926
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1594272
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Patent number 1,594,272
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Issue date Jul 27, 1926
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES