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 Gang-plow. US1913789586 1913-09-13 US1095511A 1914-05-05 MILLIKEN NORMAN I
102 Plow. US1913782788 1913-08-04 US1090134A 1914-03-17 CAUGHEY ROBERT C
103 Plow-break-pin construction. US1913765433 1913-05-05 US1086492A 1914-02-10 WEAVER IRA A
104 Plow-mounting. US1913765432 1913-05-05 US1086491A 1914-02-10 WEAVER IRA A
105 Mounting for plows. US1912683923 1912-03-15 US1043277A 1912-11-05 WEAVER IRA A
106 Gang-plow. US1910545656 1910-02-24 US992497A 1911-05-16 GRAHAM WILLIAM S
107 Draft appliance for plows. US1909531180 1909-12-03 US976024A 1910-11-15 ANDERSON GUSTAF ARVID
108 Break-in structure for cultivator. US1908456781 1908-10-08 US929539A 1909-07-27 BATEMAN FREDERIC H
109 Subsoil attachment for plows. US1901058286 1901-05-01 US687115A 1901-11-19 BRYANT BENJAMIN W
110 Plow. US1900011861 1900-04-06 US656393A 1900-08-21 DAVIS CALVIN R
111 Sulky-plow US501607D US501607A 1893-07-18
112 Delbert e US456393D US456393A 1891-07-21
113 Cultivator US432452D US432452A 1890-07-15
114 Combined harrow and cultivator US407206D US407206A 1889-07-16
115 Cultivator-tooth US374130D US374130A 1887-11-29
116 myers US373784D US373784A 1887-11-22
117 Wheel-plow US351218D US351218A 1886-10-19
118 Grain-drill tooth or hoe US332717D US332717A 1885-12-22
119 Harrow US311544D US311544A 1885-02-03
120 Cultivator US274126D US274126A 1883-03-20
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