专利检索_ .手动或其他人力操作专利检索_ .手动或其他人力操作专利检索查询

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
221	Attaching bracket for railway car hand brakes	US39741429	1929-10-04	US1879976A	1932-09-27	BURNETT RICHARD W

222	Drop brake	US40768629	1929-11-16	US1877730A	1932-09-13	CUMMINS THOMAS K

223	Hand brake pawl	US33569629	1929-01-28	US1873706A	1932-08-23	HARBERT VICTOR H

224	Hand brake for flat cars and similar cars	US28384028	1928-06-08	US1872113A	1932-08-16	BURNETT RICHARD W

225	Handwheel for car brakes	US41485229	1929-12-18	US1872052A	1932-08-16	WRIGLEY HENRY I

226	Hand brake for railway cars	US15305426	1926-12-07	US1867268A	1932-07-12	KADEL BYERS W

227	Freight car hand brake attachment	US40984429	1929-11-26	US1860907A	1932-05-31	SMALLWOOD ALBERT A

228	Brake mounting	US28918628	1928-06-29	US1851644A	1932-03-29	OSBOURNE RICHARD B

229	Hand brake	US22327127	1927-10-01	US1835177A	1931-12-08	O'CONNOR JOHN F

230	Hand brake wheel	US33494129	1929-01-25	US1833278A	1931-11-24	CUMMINS THOMAS K

231	Hand brake wheel	US42135530	1930-01-17	US1826815A	1931-10-13	O'CONNOR ARTHUR F

232	Railway-brake-operating mechanism	US33735429	1929-02-04	US1792442A	1931-02-10	THOMAS PENNY LEON

233	Hand brake for railway tank cars	US14392826	1926-10-25	US1778752A	1930-10-21	BURNETT RICHARD W

234	Railway-car brake	US18760127	1927-04-29	US1749362A	1930-03-04	SUAREZ JOSEPH M

235	Brake mechanism for railway cars	US2824425	1925-05-05	US1737922A	1929-12-03	DURYEA OTHO C

236	Pressed-metal brake step	US48835421	1921-07-29	US1734547A	1929-11-05	HARRY VISSERING

237	Brake mechanism	US7418625	1925-12-08	US1726015A	1929-08-27	COSEO FRED C

238	Railway brake	US18233127	1927-04-09	US1723059A	1929-08-06	NASH CHARLES J

239	Brake mechanism for mining cars	US19569727	1927-06-01	US1720954A	1929-07-16	GOINS EDDIE N

240	Handwheel for brakes	US25385128	1928-02-13	US1720142A	1929-07-09	O'CONNOR ARTHUR F

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