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 |