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3662801
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Patent number 3,662,801
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Issue date May 16, 1972
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3498767
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Patent number 3,498,767
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Issue date Mar 3, 1970
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2953445
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Patent number 2,953,445
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Issue date Sep 20, 1960
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C01 - INORGANIC CHEMISTRY
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2944960
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Patent number 2,944,960
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Issue date Jul 12, 1960
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2701190
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Patent number 2,701,190
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Issue date Feb 1, 1955
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2701188
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Patent number 2,701,188
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Issue date Feb 1, 1955
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2692815
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Patent number 2,692,815
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Issue date Oct 26, 1954
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C07 - ORGANIC CHEMISTRY
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2595255
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Patent number 2,595,255
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Issue date May 6, 1952
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2583742
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Patent number 2,583,742
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Issue date Jan 29, 1952
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2569281
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Patent number 2,569,281
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Issue date Sep 25, 1951
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2535227
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Patent number 2,535,227
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Issue date Dec 26, 1950
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2415328
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Patent number 2,415,328
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Issue date Feb 4, 1947
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2343185
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Patent number 2,343,185
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Issue date Feb 29, 1944
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2290915
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Patent number 2,290,915
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Issue date Jul 28, 1942
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2278521
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Patent number 2,278,521
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2189762
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Patent number 2,189,762
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Issue date Feb 13, 1940
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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2148935
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Patent number 2,148,935
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1972646
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Patent number 1,972,646
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Issue date Sep 4, 1934
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1893777
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Patent number 1,893,777
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1470847
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Patent number 1,470,847
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1377595
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Patent number 1,377,595
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1313607
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Patent number 1,313,607
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1265573
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Patent number 1,265,573
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Issue date May 7, 1918
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C01 - INORGANIC CHEMISTRY
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1159814
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Patent number 1,159,814
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Issue date Nov 9, 1915
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1155422
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Patent number 1,155,422
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1094003
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Patent number 1,094,003
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Issue date Apr 21, 1914
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1094280
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Patent number 1,094,280
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Issue date Apr 21, 1914
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1090994
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Patent number 1,090,994
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1067565
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Patent number 1,067,565
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Issue date Jul 15, 1913
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1065116
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Patent number 1,065,116
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Issue date Jun 17, 1913
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