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3431806
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Patent number 3,431,806
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Issue date Mar 11, 1969
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2223454
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Patent number 2,223,454
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Issue date Dec 3, 1940
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C14 - SKINS HIDES PELTS LEATHER
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2121716
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Patent number 2,121,716
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Issue date Jun 21, 1938
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C14 - SKINS HIDES PELTS LEATHER
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1902054
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Patent number 1,902,054
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Issue date Mar 21, 1933
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C14 - SKINS HIDES PELTS LEATHER
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1657059
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Patent number 1,657,059
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Issue date Jan 24, 1928
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C14 - SKINS HIDES PELTS LEATHER
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1632235
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Patent number 1,632,235
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Issue date Jun 14, 1927
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C14 - SKINS HIDES PELTS LEATHER
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1578320
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Patent number 1,578,320
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Issue date Mar 30, 1926
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B30 - PRESSES
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1458187
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Patent number 1,458,187
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Issue date Jun 12, 1923
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C14 - SKINS HIDES PELTS LEATHER
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1442180
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Patent number 1,442,180
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Issue date Jan 16, 1923
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C14 - SKINS HIDES PELTS LEATHER
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1429221
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Patent number 1,429,221
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Issue date Sep 19, 1922
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C14 - SKINS HIDES PELTS LEATHER
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1389654
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Patent number 1,389,654
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Issue date Sep 6, 1921
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C14 - SKINS HIDES PELTS LEATHER
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1299046
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Patent number 1,299,046
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Issue date Apr 1, 1919
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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1081751
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Patent number 1,081,751
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Issue date Dec 16, 1913
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C14 - SKINS HIDES PELTS LEATHER
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968090
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Patent number 968,090
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Issue date Aug 23, 1910
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C14 - SKINS HIDES PELTS LEATHER
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918728
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Patent number 918,728
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Issue date Apr 20, 1909
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C14 - SKINS HIDES PELTS LEATHER