序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
41 Fairing assembly US60531266 1966-12-28 US3331444A 1967-07-18 TONER CHARLES V
42 Soil mulcher US34690464 1964-02-24 US3212585A 1965-10-19 BEZZERIDES PAUL A
43 Cultivator US19729962 1962-05-24 US3080004A 1963-03-05 MCNAIR MELVIN L
44 Device for weeding weeds US58368556 1956-05-09 US2976939A 1961-03-28 DER LELY CORNELIS VAN; DER LELY ARY VAN
45 Cultivator attachments US33119953 1953-01-14 US2747488A 1956-05-29 EUGENE NORTON
46 Weed cutter blades for the end sections of cultivator rotors US16492250 1950-05-29 US2737871A 1956-03-13 CECIL ROGERS DOUGLAS
47 Sugar cane stubble digger US71657246 1946-12-16 US2586254A 1952-02-19 PITRE ERNEST F
48 Crust breaking cultivator US4695348 1948-08-31 US2579561A 1951-12-25 FRIEND FLOYD R
49 Stalk cutter US64930946 1946-02-21 US2574468A 1951-11-13 DENTON MARION G
50 Agricultural crust busting implement US77743247 1947-10-02 US2569464A 1951-10-02 ROSS EDWARDS; JACK BROGDEN
51 Rotary hoe wheel US78077647 1947-10-20 US2559232A 1951-07-03 SIMON EUGENE R
52 Side delivery rake US72427447 1947-01-25 US2472260A 1949-06-07 MORRILL MELVIN A
53 Cultivator plow US51970644 1944-01-26 US2420973A 1947-05-20 CHRISTIAN PETERSEN
54 Cultivator US23799838 1938-10-31 US2177026A 1939-10-24 BERT NIGHTENHELSER; JULIUS BALLARD
55 Farm cultivator US18073837 1937-12-20 US2144275A 1939-01-17 WILLIAM SCHOLZ
56 Earthworking tool US5938436 1936-01-16 US2061691A 1936-11-24 WINSOR THOMAS B; WINSOR GEORGE B
57 Power driven cultivator US38472320 1920-05-27 US1843095A 1932-01-26 URSCHEL WILLIAM E
58 Cultivator US43526830 1930-03-12 US1791602A 1931-02-10 RAPTIS GUST A
59 Combination cultivator, weeder, and pulverizer US36905929 1929-06-07 US1767162A 1930-06-24 JULIUS YACKLEY
60 Weed cutter US31213328 1928-10-12 US1757858A 1930-05-06 GROENEVELD GOVERT C; FULLER CHARLES W
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