专利检索_ ..带有两个或更多个独立的衔铁的专利检索_ ..带有两个或更多个独立的衔铁的专利检索查询

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	Relay construction	US34822240	1940-07-29	US2396332A	1946-03-12	MCBERTY FRANK R

182	Service meter and relay for telecommunication systems	US42730442	1942-01-19	US2346910A	1944-04-18	GERALD DEAKIN

183	Solenoid operated switch	US20589838	1938-05-04	US2255542A	1941-09-09	EHRLICH LOUIS B

184	Electrical switch operated by leakage current	US16496537	1937-09-21	US2196362A	1940-04-09	JAMES OSBORN HENRY

185	Electrical relay	US18962038	1938-02-09	US2189178A	1940-02-06	BENJAMIN MISHELEVICH

186	Electromagnet	US11437936	1936-12-05	US2180288A	1939-11-14	BEACH WILLIAM C

187	Relay	US58921732	1932-01-27	US2021199A	1935-11-19	CALL PEARCE GEORGE

188	Magnetic relay	US57793931	1931-11-30	US1993633A	1935-03-05	TJOFLAT GERALD B

189	Electromagnetic relay	US53536931	1931-05-06	US1953929A	1934-04-10	OTTO DROYSEN

190	Relay	US34287429	1929-02-26	US1863836A	1932-06-21	DERBY JOHN H; GEORGE LEACH HENRY

191	Electromagnetic relay	US26099828	1928-03-12	US1838787A	1931-12-29	BRUNO PREUSS ALEXANDER

192	Electromagnetic relay	US41935720	1920-10-25	US1646956A	1927-10-25	JOHN ERICKSON

193	Electromagnetic relay	US61716523	1923-02-05	US1645897A	1927-10-18	CORMACK CROWE DOUGLAS

194	Termined amount	US1540741D		US1540741A	1925-06-02

195	Relay	US24473118	1918-07-13	US1475498A	1923-11-27	LUNDQUIST FRANK A

196	Electromagnetic device	US27535419	1919-02-06	US1419559A	1922-06-13	GOFF HAROLD W

197	Relay	US15374D		USRE15374E	1922-06-06

198	Electromagnetic switch	US9842016	1916-05-18	US1337072A	1920-04-13	HUTT LEONARD E

199	Circuit-controller.	US12757016	1916-10-25	US1318178A	1919-10-07	REED WALTER C

200	Relay.	US1914841729	1914-05-29	US1259901A	1918-03-19	PARKER FREDERICK R

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