| 101 |
Electric-railway switch. |
US1898682315 |
1898-06-02 |
US687475A |
1901-11-26 |
BROWNE WALRAM S |
|
| 102 |
Electric switch. |
US1900022731 |
1900-07-06 |
US683213A |
1901-09-24 |
MANSFIELD KING W; THOMPSON WILLIAM R |
|
| 103 |
Switch-operating mechanism for railways. |
US1899712824 |
1899-04-12 |
US647637A |
1900-04-17 |
SQUIRES CHARLES WILLIAM; SQUIRES JAMES B |
|
| 104 |
Electric switch. |
US1899718318 |
1899-05-26 |
US642159A |
1900-01-30 |
ROBBINS IRA |
|
| 105 |
Half to willis |
US572929D |
|
US572929A |
1896-12-08 |
|
|
| 106 |
henry |
US559800D |
|
US559800A |
1896-05-12 |
|
|
| 107 |
Electric-railway switch |
US545870D |
|
US545870A |
1895-09-10 |
|
|
| 108 |
Electric railway-switch |
US516731D |
|
US516731A |
1894-03-20 |
|
|
| 109 |
Electrically-operated railway-switch |
US493918D |
|
US493918A |
1893-03-21 |
|
|
| 110 |
Electric-railway switch |
US485668D |
|
US485668A |
1892-11-08 |
|
|
| 111 |
Conductor switching system |
US62204945 |
1945-10-12 |
US2515999A |
1950-07-18 |
HANNA RAYMOND P |
|
| 112 |
Safety control for track switches |
US53932944 |
1944-06-08 |
US2472063A |
1949-06-07 |
BROWN HENRY A |
|
| 113 |
Control for electric track switches |
US65771546 |
1946-03-28 |
US2441340A |
1948-05-11 |
SUTTON RUFUS C |
|
| 114 |
Trolley conductor device |
US41634241 |
1941-10-24 |
US2345117A |
1944-03-28 |
HANNA RAYMOND P; SCOTT ANGUS G |
|
| 115 |
Control for electric track switches |
US33602540 |
1940-05-18 |
US2302898A |
1942-11-24 |
STOLP SAMUEL S |
|
| 116 |
Railway switch |
US54600031 |
1931-06-22 |
US2093643A |
1937-09-21 |
LOUIS-EUGENE-WIDOLT MONTROSE-O |
|
| 117 |
Speed selective control system |
US62624132 |
1932-07-29 |
US2092021A |
1937-09-07 |
RICHTERKESSING FRANK H |
|
| 118 |
Device for the changing of switches |
US47106930 |
1930-07-26 |
US2054027A |
1936-09-08 |
WOLFGANG BASELER; KARL SCHIECK |
|
| 119 |
Railway switch controlling apparatus |
US61395532 |
1932-05-27 |
US2039828A |
1936-05-05 |
NICHOLSON FRANK H |
|
| 120 |
Switch throwing device |
US42791430 |
1930-02-05 |
US1854521A |
1932-04-19 |
MILLER JAMES B |
|
