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Locking device
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Patent number 7,270,354
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Issue date Sep 18, 2007
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Radovan Soumar
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Integrated security mechanism
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Patent number 7,097,217
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Issue date Aug 29, 2006
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Salco Products, Inc.
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Joshua J. Chesser
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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-
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Force-resistant locking devices
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Patent number 4,254,647
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Issue date Mar 10, 1981
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Highfield Mfg. Company, a Division of Clarkson Industries, Inc.
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Frederick P. Finck
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Electric meter box lock
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Patent number 4,144,729
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Issue date Mar 20, 1979
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Anker J. Nielsen
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Envelope
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Patent number 4,112,990
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Issue date Sep 12, 1978
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Versapak International Limited
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Michael Denny Anderson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Meter box guard lock
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Patent number 4,107,959
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Issue date Aug 22, 1978
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C. Cowles & Company
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Thaddeus S. Skarzynski
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Tamper-proof locking device
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Patent number 4,096,718
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Issue date Jun 27, 1978
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Michelman Iron Works Corp.
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Lionel S. Michelman
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Tamper-proof locking device
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Patent number 4,031,722
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Issue date Jun 28, 1977
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Michelman Iron Works Corporation
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Lionel S. Michelman
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3372280
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Patent number 3,372,280
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Issue date Mar 5, 1968
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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3279839
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Patent number 3,279,839
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Issue date Oct 18, 1966
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2776855
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Patent number 2,776,855
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Issue date Jan 8, 1957
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2686086
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Patent number 2,686,086
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Issue date Aug 10, 1954
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E04 - BUILDING
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2478688
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Patent number 2,478,688
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Issue date Aug 9, 1949
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2341814
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Patent number 2,341,814
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Issue date Feb 15, 1944
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A45 - HAND OR TRAVELLING ARTICLES
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2284099
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Patent number 2,284,099
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Issue date May 26, 1942
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2220901
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Patent number 2,220,901
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Issue date Nov 12, 1940
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2194763
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Patent number 2,194,763
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Issue date Mar 26, 1940
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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1835123
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Patent number 1,835,123
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Issue date Dec 8, 1931
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1833209
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Patent number 1,833,209
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Issue date Nov 24, 1931
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1717666
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Patent number 1,717,666
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Issue date Jun 18, 1929
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1658762
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Patent number 1,658,762
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Issue date Feb 7, 1928
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1646748
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Patent number 1,646,748
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Issue date Oct 25, 1927
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1522072
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Patent number 1,522,072
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Issue date Jan 6, 1925
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES