序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
61 Car-brake US335380D US335380A 1886-02-02
62 Automatic car-brake US302716D US302716A 1884-07-29
63 Teeeitoey US293823D US293823A 1884-02-19
64 Car-brake US268610D US268610A 1882-12-05
65 Improvement in automatic car-brakes US221345D US221345A 1879-11-04
66 Improvement in car-brakes US161946D US161946A 1875-04-13
67 Improvement in car-brakes US123840D US123840A 1872-02-20
68 Improvement in automatic car-brakes US116814D US116814A 1871-07-11
69 Luther hill US112456D US112456A 1871-03-07
70 Improved car-brake US57161D US57161A 1866-08-14
71 Railkoad-car brake US17058D US17058A 1857-04-14
72 Self-detaching beake US5054D US5054A 1847-04-10
73 Brake fob US4886D US4886A 1846-12-12
74 Brake control cars US50323355 1955-04-22 US2966236A 1960-12-27 EDWARD JONES ROBERT
75 Safety device US33065429 1929-01-05 US1746163A 1930-02-04 PERKINS GEORGE B
76 Safety incline car US19507827 1927-05-28 US1703799A 1929-02-26 TONEY ALBERT G
77 Automatically-acting arresting device for mine tubs and like vehicles US71758724 1924-06-03 US1606256A 1926-11-09 DAVID MIDDLEYARD; JAMES AUSTEN ALBERT; WILBERFORCE MELVIN
78 Safety-stop for mine-cars. US21461818 1918-01-31 US1297575A 1919-03-18 KLANSNIC JOSEPH
79 Brake for uphauls for mines. US21199718 1918-01-15 US1274071A 1918-07-30 MOW WILLIAM J
80 Safety-stop for mine-cars. US21429718 1918-01-29 US1269983A 1918-06-18 VERBITSKY SIMON
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