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Door clamp
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Patent number 9,309,703
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Issue date Apr 12, 2016
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J. Robert Ploskunak
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Door clamp
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Patent number 8,764,074
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Issue date Jul 1, 2014
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J. Robert Ploskunak
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Wedge bar locking mechanism
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Patent number 7,014,227
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Issue date Mar 21, 2006
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The Langenau Manufacturing Company
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William C. Strangward
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Manhole security device
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Patent number 6,550,294
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Issue date Apr 22, 2003
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Albert Garguilo
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Sealed drive screw operator
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Patent number 6,339,630
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Issue date Jan 15, 2002
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The United States of America as represented by the United States Department o...
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Michael S. Hartley
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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Bottle lock with a chuck device
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Patent number 5,911,764
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Issue date Jun 15, 1999
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Yu Wei Kong
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Quick attachment device
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Patent number 4,247,242
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Issue date Jan 27, 1981
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Farmhand, Inc.
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Gerold G. Goertzen
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Safety lock for enclosures
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Patent number 3,938,837
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Issue date Feb 17, 1976
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William L. Bright
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3829834
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Patent number 3,829,834
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Issue date Aug 13, 1974
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3767240
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Patent number 3,767,240
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Issue date Oct 23, 1973
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3663989
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Patent number 3,663,989
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Issue date May 23, 1972
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3428349
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Patent number 3,428,349
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Issue date Feb 18, 1969
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3240380
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Patent number 3,240,380
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Issue date Mar 15, 1966
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3077534
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Patent number 3,077,534
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Issue date Feb 12, 1963
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3050323
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Patent number 3,050,323
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Issue date Aug 21, 1962
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2830355
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Patent number 2,830,355
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Issue date Apr 15, 1958
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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2797948
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Patent number 2,797,948
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Issue date Jul 2, 1957
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2785916
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Patent number 2,785,916
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Issue date Mar 19, 1957
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2512609
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Patent number 2,512,609
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Issue date Jun 27, 1950
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2462434
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Patent number 2,462,434
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Issue date Feb 22, 1949
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES