专利检索_ .带有铲形抓地齿的车轮专利检索_ .带有铲形抓地齿的车轮专利检索查询

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	Tractor	US48839721	1921-07-29	US1450837A	1923-04-03	BURSHEIM EILERT J

182	Traction wheel	US48411921	1921-07-12	US1443076A	1923-01-23	JOHN HARDER ANDREW

183	Tractor wheel	US47014221	1921-05-16	US1439311A	1922-12-19	JAMES HIGGS ARTHUR

184	Tractor wheel	US34959720	1920-01-05	US1437849A	1922-12-05	KROTZ ALVARO S

185	Tractor wheel	US43613521	1921-01-10	US1431203A	1922-10-10	WHITEHEAD THOMAS C

186	Tractor wheel	US54297322	1922-03-11	US1424909A	1922-08-08	JARECKI MATHIAS V

187	Tractor wheel	US40126920	1920-08-04	US1416949A	1922-05-23	FARKAS EUGENE J

188	Traction device	US45889721	1921-04-06	US1416237A	1922-05-16	ALFREDO SCOTTI

189	Detachable extension rim for tractor wheels	US52417121	1921-12-22	US1414537A	1922-05-02	WILLIG FRED W

190	Self-cleaning tractor wheel and gear	US34416519	1919-12-11	US1392866A	1921-10-04	SYDNEY CLIFTON

191	Traction-wheel	US18828517	1917-08-27	US1376394A	1921-05-03	BOKER VITUS A

192	Subsoil-working means for tractor-wheels	US35340320	1920-01-23	US1362527A	1920-12-14	COOK HARRY A

193	Means for attaching spurs to traction-wheels	US29142419	1919-04-21	US1332261A	1920-03-02	KIDNEY HARVEY R

194	julien	US1323868D		US1323868A	1919-12-02

195	Self-cleaning grouter for tractor-wheels	US1319231D		US1319231A	1919-10-21

196	Wheel	US1317908D		US1317908A	1919-10-07

197	Planoqraph co	US1310732D		US1310732A	1919-07-22

198	Self-cleaning grouter foe tractor-wheels and the like	US1309006D		US1309006A	1919-07-08

199	Traction-wheel.	US12875016	1916-10-31	US1270474A	1918-06-25	WIESE HENRY O

200	Traction-tire.	US20021617	1917-11-03	US1267219A	1918-05-21	HATTORI TAKAJI

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