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Automatic door shutter
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Patent number 7,788,767
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Issue date Sep 7, 2010
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Chun-Ju Chen
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Tape cassette
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Patent number 4,187,998
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Issue date Feb 12, 1980
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TDK Electronics Company, Limited
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Masatoshi Okamura
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G11 - INFORMATION STORAGE
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3785006
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Patent number 3,785,006
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Issue date Jan 15, 1974
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3385344
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Patent number 3,385,344
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Issue date May 28, 1968
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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3137889
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Patent number 3,137,889
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Issue date Jun 23, 1964
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2806726
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Patent number 2,806,726
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Issue date Sep 17, 1957
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F24 - HEATING RANGES VENTILATING
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2557749
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Patent number 2,557,749
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Issue date Jun 19, 1951
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2514033
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Patent number 2,514,033
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Issue date Jul 4, 1950
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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2358143
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Patent number 2,358,143
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Issue date Sep 12, 1944
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2011694
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Patent number 2,011,694
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Issue date Aug 20, 1935
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1903541
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Patent number 1,903,541
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Issue date Apr 11, 1933
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B60 - VEHICLES IN GENERAL
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1716043
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Patent number 1,716,043
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Issue date Jun 4, 1929
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1681942
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Patent number 1,681,942
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Issue date Aug 28, 1928
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F24 - HEATING RANGES VENTILATING
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1348552
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Patent number 1,348,552
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Issue date Aug 3, 1920
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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1319554
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Patent number 1,319,554
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Issue date Oct 21, 1919
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1190563
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Patent number 1,190,563
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Issue date Jul 11, 1916
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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378191
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Patent number 378,191
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Issue date Feb 21, 1888
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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327445
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Patent number 327,445
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Issue date Sep 29, 1885
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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249253
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Patent number 249,253
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Issue date Nov 8, 1881
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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236689
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Patent number 236,689
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Issue date Jan 18, 1881
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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194511
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Patent number 194,511
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Issue date Aug 28, 1877
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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193681
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Patent number 193,681
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Issue date Jul 31, 1877
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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192745
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Patent number 192,745
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Issue date Jul 3, 1877
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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154840
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Patent number 154,840
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Issue date Sep 8, 1874
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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144256
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Patent number 144,256
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Issue date Nov 4, 1873
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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116002
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Patent number 116,002
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Issue date Jun 20, 1871
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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107616
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Patent number 107,616
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Issue date Sep 20, 1870
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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96002
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Patent number 96,002
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Issue date Oct 19, 1869
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES