专利检索_ .圆盘耙片专利检索_ .圆盘耙片专利检索查询

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
201	Disk-bearing.	US1899706872	1899-02-25	US628204A	1899-07-04	LINDGREN AUGUST

202	garst	US626059D		US626059A	1899-05-30

203	Disk drill	US626024D		US626024A	1899-05-30

204	Sectional disk harrow	US613292D		US613292A	1898-11-01

205	Disk harrow	US613092D		US613092A	1898-10-25

206	Disk harrow	US528173D		US528173A	1894-10-30

207	Cleaner for cultivator-disks	US501917D		US501917A	1893-07-25

208	ceowley	US489146D		US489146A	1893-01-03

209	Everett d	US488514D		US488514A	1892-12-20

210	Disk harrow	US476435D		US476435A	1892-06-07

211	Cultivator	US467400D		US467400A	1892-01-19

212	Disk harrow	US435846D		US435846A	1890-09-02

213	little	US423523D		US423523A	1890-03-18

214	maynakd	US343619D		US343619A	1886-06-15

215	la dow	US337773D		US337773A	1886-03-09

216	Wheel harrow and cultivator	US301729D		US301729A	1884-07-08

217	Wheel-harrow	US298911D		US298911A	1884-05-20

218	William b	US256941D		US256941A	1882-04-25

219	Improvement in caster-colters	US214519D		US214519A	1879-04-22

220	Improvement in plow-colters	US209129D		US209129A	1878-10-22

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