| 1921 WOOD EDGAR Automatic Train Stop Patent |
| 1926 DYKE Automatic Train Stop Or Signal Patent |
| 1920 JOSEPH Automatic Train Stop Patent Print |
| 1921 ERFERD Automatic Train Stop Patent Print |
| 1925 WRIGHT Automatic Train Stop Patent Print |
| 1920 HIGGINS Automatic Railway Train Stop Patent |
| 1920 DIO Automatic Safety Train Stop Mechanism |
| 1920 WOLF JOHN Automatic Train Stop Patent Print |
| 1926 JOSEPH Automatic Train Stop Patent Print |
| 1920 NICOLA Automatic Train Stop Patent Print |
| 1923 SCHUMACHER Automatic Railway Train Stop Art |
| 1921 KILBURN Automatic Safety Train Stop Mechanism |
| 1921 DAWSON Automatic Train Stop Patent Print |
| 1922 KISSEL Automatic Train Stop Patent Print |
| 1920 EUGENE Automatic Train Stop Speed Control |
| 1920 EDWARD M HEWSON SR Automatic Train Stop Art |
| 1922 WIRT Automatic Train Stop Means Patent |
| 1920 HEWSON Automatic Train Stop Patent Print |
| 1922 GRAHAM Automatic Train Stop Patent Print |
| 1920 DIODATO Automatic Safety Train Stop Mechanism |
| 1924 ABRAHAM Automatic Train Stop Patent Print |