序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
101 Rotary hoe US78252447 1947-10-28 US2604026A 1952-07-22 LATTA WILLIAM E
102 Combination agricultural implement US61358745 1945-08-30 US2546461A 1951-03-27 LEWIS DAVIS E
103 Cultivator US22694138 1938-08-26 US2199674A 1940-05-07 ADOLPH RONNING
104 Agricultural implement US7681236 1936-04-28 US2073992A 1937-03-16 LOWER GUY O
105 Combined harrow and pulverizer US2587935 1935-06-10 US2035591A 1936-03-31 CHILDS ELBERT H
106 Three-row cultivator attachment for tractors US51602731 1931-02-16 US1964559A 1934-06-26 COLLINS EDGAR V
107 Cultivator US56770231 1931-10-08 US1851650A 1932-03-29 SAMUEL SHEPPARD; OTTO BANKER
108 Harrow US36199129 1929-05-10 US1796629A 1931-03-17 STABENOW WILLIAM A
109 Spike-tooth harrow US38603929 1929-08-15 US1756820A 1930-04-29 CONRAD GAUBATZ
110 Rotary tiller attachment for disk plows US26692928 1928-04-03 US1750887A 1930-03-18 HERRING HALL GUY
111 Plow attachment for disk cultivators US36181529 1929-05-09 US1732923A 1929-10-22 BRIDGES JOHN A
112 Rotary hoe attachment for cultivators US31248428 1928-10-15 US1718510A 1929-06-25 WINKLER JOHN L
113 Agricultural implement US56144622 1922-05-16 US1501224A 1924-07-15 MCDONALD JOHN A
114 Method of soil-tillage US42568020 1920-11-22 US1396037A 1921-11-08 GARST STEPHEN H
115 Soil-pulverizer US38183620 1920-05-17 US1374465A 1921-04-12 OAKES GEORGE W
116 Pulverizer. US10768116 1916-07-05 US1241205A 1917-09-25 GALE BYRON; GALE JOSEPH ALLEN
117 Harrow. US3854415 1915-07-07 US1230194A 1917-06-19 MATTSON THEODORE G
118 Vine-cutter. US5688915 1915-10-20 US1179257A 1916-04-11 WILKINSON WILLIAM R
119 Attachment for disk cutters. US1913804447 1913-12-03 US1101411A 1914-06-23 CORY ELBERT
120 Road-scraper. US1912690839 1912-04-15 US1048243A 1912-12-24 WALLIS JOHN WESLEY
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