序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
41 | Control apparatus | US29258439 | 1939-08-30 | US2295713A | 1942-09-15 | BUCKLEY ARTHUR H |
42 | Burglar alarm | US36033740 | 1940-10-08 | US2274870A | 1942-03-03 | RICHARDS FRED F |
43 | Terpin esters | US26791339 | 1939-04-14 | US2232434A | 1941-02-18 | BORGLIN JOSEPH N |
44 | Switch | US13883237 | 1937-04-24 | US2209104A | 1940-07-23 | RUDOLF POPP; CARLSON MARVIN C |
45 | Thermostatic controller for unit heat exchangers | US29844739 | 1939-10-07 | US2207865A | 1940-07-16 | KNIGHT IRA W |
46 | Control for vehicular rear signal lights | US27118739 | 1939-05-01 | US2200778A | 1940-05-14 | MORENO CARLOS G |
47 | Control apparatus | US1912235 | 1935-04-30 | US2145161A | 1939-01-24 | DOUGLAS HARRY A |
48 | Switch | US3765735 | 1935-08-24 | US2124337A | 1938-07-19 | RUDOLF POPP |
49 | Electric switch | US70251633 | 1933-12-15 | US2103986A | 1937-12-28 | JOHNSON GUSTAF A |
50 | Electric switch | US74729734 | 1934-10-08 | US2101539A | 1937-12-07 | JOSEPH FIGUEIRA |
51 | Switch mechanism | US71654134 | 1934-03-20 | US2068701A | 1937-01-26 | RUDOLF POPP |
52 | Safety switch | US71359434 | 1934-03-01 | US2026962A | 1936-01-07 | BROWN GEORGE D; MYERS GEORGE M |
53 | Casing or housing | US58694032 | 1932-01-15 | US1955901A | 1934-04-24 | BRITSCH OTTO C |
54 | Electric switch | US53393831 | 1931-04-30 | US1925585A | 1933-09-05 | FRIEDMAN SAMUEL M |
55 | Safety cut-out switch | US41389529 | 1929-12-13 | US1902765A | 1933-03-21 | DEITSCH CARL E |
56 | Switch movement | US36800629 | 1929-06-03 | US1894282A | 1933-01-17 | RUDOLF POPP |
57 | Operating attachment for toggle switches | US52889031 | 1931-04-09 | US1889826A | 1932-12-06 | WILLIAM FISHER |
58 | Combination electrical switch | US39092129 | 1929-09-07 | US1864070A | 1932-06-21 | EMIL KAISER |
59 | Link switch | US29842928 | 1928-08-09 | US1804425A | 1931-05-12 | LEFKOWITZ CHARLES M |
60 | Electric switch | US26717728 | 1928-04-04 | US1783656A | 1930-12-02 | AUGUST KRASTIN |