专利检索_ 带专用附属装置的犁例如带土下施肥工具碎土块机的专利检索_ 带专用附属装置的犁例如带土下施肥工具碎土块机的专利检索查询

子分类：

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
221	Weeder.	US1902092305	1902-02-03	US727804A	1903-05-12	KELLY FRED J

222	Seeding-machine.	US1902126499	1902-10-09	US718640A	1903-01-20	LATHROP FRANK K

223	Weed-destroyer and cultivator.	US1900004527	1900-02-08	US652513A	1900-06-26	FRIEND GEORGE J

224	Seed-drill cleaner	US614223D		US614223A	1898-11-15

225	Plow-cleaner	US613548D		US613548A	1898-11-01

226	Gutter-cleaner	US596694D		US596694A	1898-01-04

227	oayatte	US582041D		US582041A	1897-05-04

228	Cultivator	US573704D		US573704A	1896-12-22

229	Subsoil attachment for plows	US499888D		US499888A	1893-06-20

230	Cultivator	US402196D		US402196A	1889-04-30

231	Lever-scraper for cleaning plows	US372719D		US372719A	1887-11-08

232	wilees	US359339D		US359339A	1887-03-15

233	Wilburn dili	US348193D		US348193A	1886-08-31

234	Wheel-harrow	US321283D		US321283A	1885-06-30

235	Brush-cutting machine for vineyards	US314979D		US314979A	1885-03-31

236	etzler	US266121D		US266121A	1882-10-17

237	Grain-drill	US257424D		US257424A	1882-05-02

238	Fernando gautier	US254952D		US254952A	1882-03-14

239	Gang-plow	US236536D		US236536A	1881-01-11

240	Colter	US233793D		US233793A	1880-10-26

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