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Tillage implements
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Patent number 5,417,238
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Issue date May 23, 1995
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Peter D. T. Topham
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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2608202
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Patent number 2,608,202
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Issue date Aug 26, 1952
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F22 - STEAM GENERATION
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2270532
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Patent number 2,270,532
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Issue date Jan 20, 1942
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F24 - HEATING RANGES VENTILATING
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2035966
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Patent number 2,035,966
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Issue date Mar 31, 1936
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G05 - CONTROLLING REGULATING
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1639208
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Patent number 1,639,208
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Issue date Aug 16, 1927
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F24 - HEATING RANGES VENTILATING
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1568077
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Patent number 1,568,077
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Issue date Jan 5, 1926
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F22 - STEAM GENERATION
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1432021
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Patent number 1,432,021
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Issue date Oct 17, 1922
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F24 - HEATING RANGES VENTILATING
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1386301
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Patent number 1,386,301
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Issue date Aug 2, 1921
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1192278
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Patent number 1,192,278
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Issue date Jul 25, 1916
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F24 - HEATING RANGES VENTILATING
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1188058
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Patent number 1,188,058
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Issue date Jun 20, 1916
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F22 - STEAM GENERATION
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1084255
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Patent number 1,084,255
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Issue date Jan 13, 1914
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1066776
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Patent number 1,066,776
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Issue date Jul 8, 1913
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F22 - STEAM GENERATION
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971920
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Patent number 971,920
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Issue date Oct 4, 1910
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F22 - STEAM GENERATION
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346146
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Patent number 346,146
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Issue date Jul 27, 1886
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F22 - STEAM GENERATION
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301968
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Patent number 301,968
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Issue date Jul 15, 1884
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F22 - STEAM GENERATION
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289388
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Patent number 289,388
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Issue date Dec 4, 1883
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F22 - STEAM GENERATION
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271400
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Patent number 271,400
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Issue date Jan 30, 1883
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F22 - STEAM GENERATION
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242502
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Patent number 242,502
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Issue date Jun 7, 1881
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F22 - STEAM GENERATION
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231543
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Patent number 231,543
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Issue date Aug 24, 1880
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F22 - STEAM GENERATION
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228833
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Patent number 228,833
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Issue date Jun 15, 1880
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F22 - STEAM GENERATION
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218885
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Patent number 218,885
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Issue date Aug 26, 1879
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F22 - STEAM GENERATION
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155400
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Patent number 155,400
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Issue date Sep 29, 1874
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F22 - STEAM GENERATION
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134972
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Patent number 134,972
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Issue date Jan 21, 1873
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F22 - STEAM GENERATION
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93826
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Patent number 93,826
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Issue date Aug 17, 1869
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F22 - STEAM GENERATION
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43579
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Patent number 43,579
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Issue date Jul 19, 1864
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F22 - STEAM GENERATION