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

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
181	Obstruction responsive root cutting plow	US9150349	1949-05-05	US2614476A	1952-10-21	WENDELL JENNINGS CHARLES

182	Plow with rotary stalk cutter	US4457348	1948-08-16	US2572298A	1951-10-23	DIAZ ALVAREZ GUILIERMO

183	Wheel attachment for plows	US68054146	1946-07-01	US2493649A	1950-01-03	ALLOWAY VIVIAN P

184	Stubble controller	US65693346	1946-03-25	US2487609A	1949-11-08	SPARKS LINIOUS W

185	Trash clearer for plows having a rolling colter	US58695545	1945-04-06	US2486442A	1949-11-01	SILVER WALTER H

186	Method and apparatus for protecting subsurface ground tools	US42450641	1941-12-26	US2306339A	1942-12-22	LEAVITT FLOYD H

187	Turf cultivator	US26808039	1939-04-15	US2262546A	1941-11-11	DONOHO FRANK R; BENNETT CHARLES C

188	Attachment for cultivators	US22440638	1938-08-11	US2182270A	1939-12-05	CHRIS ACHEN; WILLIAM POPPLER

189	Plow attachment	US30355928	1928-09-01	US1766750A	1930-06-24	ALTON HUTTO AMON

190	Subsoiler and aerator	US16492327	1927-01-31	US1739765A	1929-12-17	MCEWEN SAMUEL M

191	Subsoiler attachment for plows	US28255028	1928-06-04	US1717379A	1929-06-18	GARVIN CECIL A

192	Earth-working attachment	US19789827	1927-06-10	US1709408A	1929-04-16	SCARBROUGH ARTHUR P; HOLT CURREY M

193	Plow attachment	US3876125	1925-06-22	US1635605A	1927-07-12	CHANCEY WILLIAM H

194	Wing-sweep attachment for plows	US4022925	1925-06-29	US1602992A	1926-10-12	SKINNER M T

195	Colter attachment	US71639424	1924-05-28	US1565676A	1925-12-15	SANDMAN HARRY H

196	Nonchoking attachment for plows	US65597723	1923-08-06	US1539693A	1925-05-26	ORR FLORIAN C

197	Subsoiler attachment for plows	US59602622	1922-10-21	US1492870A	1924-05-06	VILES MACK C

198	Weed and stubble clearer for plows	US54220222	1922-03-09	US1481454A	1924-01-22	MICHAEL BRABAW

199	Subsoiler attachment for plows	US42858820	1920-12-06	US1461113A	1923-07-10	DYKE FRANK M

200	Colter for farm implements	US58548722	1922-08-31	US1445705A	1923-02-20	NUERNBERGER PHILIP J

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