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3590449
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Patent number 3,590,449
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Issue date Jul 6, 1971
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3397429
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Patent number 3,397,429
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Issue date Aug 20, 1968
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3363524
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Patent number 3,363,524
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Issue date Jan 16, 1968
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3130450
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Patent number 3,130,450
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Issue date Apr 28, 1964
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2869174
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Patent number 2,869,174
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Issue date Jan 20, 1959
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B30 - PRESSES
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2831232
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Patent number 2,831,232
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Issue date Apr 22, 1958
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B28 - WORKING CEMENT, CLAY, OR STONE
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2822574
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Patent number 2,822,574
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Issue date Feb 11, 1958
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2572953
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Patent number 2,572,953
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Issue date Oct 30, 1951
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B30 - PRESSES
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2569226
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Patent number 2,569,226
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Issue date Sep 25, 1951
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B28 - WORKING CEMENT, CLAY, OR STONE
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2005260
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Patent number 2,005,260
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Issue date Jun 18, 1935
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F42 - AMMUNITION BLASTING
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1992739
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Patent number 1,992,739
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Issue date Feb 26, 1935
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B22 - CASTING POWDER METALLURGY
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1977699
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Patent number 1,977,699
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Issue date Oct 23, 1934
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B28 - WORKING CEMENT, CLAY, OR STONE
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1936494
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Patent number 1,936,494
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Issue date Nov 21, 1933
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F42 - AMMUNITION BLASTING
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1887368
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Patent number 1,887,368
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Issue date Nov 8, 1932
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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1760350
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Patent number 1,760,350
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Issue date May 27, 1930
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E04 - BUILDING
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1738046
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Patent number 1,738,046
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Issue date Dec 3, 1929
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B28 - WORKING CEMENT, CLAY, OR STONE
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1695327
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Patent number 1,695,327
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Issue date Dec 18, 1928
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B28 - WORKING CEMENT, CLAY, OR STONE
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1507515
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Patent number 1,507,515
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Issue date Sep 2, 1924
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B28 - WORKING CEMENT, CLAY, OR STONE
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1466730
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Patent number 1,466,730
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Issue date Sep 4, 1923
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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1041129
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Patent number 1,041,129
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Issue date Oct 15, 1912
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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987124
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Patent number 987,124
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Issue date Mar 21, 1911
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B30 - PRESSES
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976530
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Patent number 976,530
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Issue date Nov 22, 1910
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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966599
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Patent number 966,599
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Issue date Aug 9, 1910
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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925128
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Patent number 925,128
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Issue date Jun 15, 1909
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D03 - WEAVING
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913464
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Patent number 913,464
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Issue date Feb 23, 1909
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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860796
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Patent number 860,796
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Issue date Jul 23, 1907
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E04 - BUILDING
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850323
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Patent number 850,323
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Issue date Apr 16, 1907
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B28 - WORKING CEMENT, CLAY, OR STONE
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843563
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Patent number 843,563
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Issue date Feb 5, 1907
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C21 - METALLURGY OF IRON
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841749
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Patent number 841,749
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Issue date Jan 22, 1907
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL