| 1925 HUDSON Railway Crossing Signal Patent Print |
| 1925 BAIER Railway Crossing Gate Patent Print |
| 1925 PERRY Casing Crossing Signal VANCE Patent 49448 |
| 1925 RAYMOND Grade Crossing Safety Apparatus Art |
| 1925 HOGGATT Automatic Crossing Guard Patent |
| 1925 MITCHELL Railway Crossing Gate Patent Print |
| 1925 CHATFIELD CURTIS Crossing Sign Patent Print |
| 1925 SCHIRMACHER GEORGE Crossing Gate Patent |
| 1925 ROBERT DEDMON Railroad Crossing Flag Signal |
| 1925 OLLIE Railroad Crossing Gate Art Print |
| 1925 STORM Railroad Crossing Signal Patent Print |
| 1925 RICHARD Railway Crossing Gate Patent Print |
| 1925 HERBERT Railroad Crossing Signal Patent |
| 1925 WHITEHURST Automatic Crossing Gate Patent |
| 1925 GRAVES Actuating Railway Crossing Signals |
| 1925 INGRAM Railroad Crossing Flag Signal Patent |
| 1925 ALVIE E HARMON SANDS T GUNN Railroad Crossing Gate |
| 1925 ADOLPH Crossing Gate Apparatus Patent Print |
| 1925 COMER Railway Crossing Gate Patent Print |
| 1925 RAYNES Railroad Crossing Signal Patent |
| 1925 FRANK Railroad Crossing Signal Patent Print |
| 1925 OLE Railway Crossing Signal Patent Print |
| 1925 BENDER Railway Crossing Signal Patent Print |
| 1925 SWANCY Railroad Crossing Signal Patent |
| 1925 HOLM HANS Fog Crossing Signal Patent Print |
| 1925 SAUNDERS Railroad Crossing Gate Patent |
| 1925 EDISON HORNER Crossing Protector Patent |
| 1925 OHAVER Railroad Crossing Gate Control Art |
| 1925 JOHN Railroad Crossing Alarm Patent Print |
| 1925 MILLHOUSER Railway Crossing Signal Patent |
| 1925 GEORGE W SCHILLINGER Grade Crossing Safety |
| 1925 CLAUDE Railroad Crossing Gate Patent Print |
| 1925 JOSEPH Railway Grade Crossing Gate Patent |
| 1925 KAHLOW Design Railroad Crossing Light Patent 49457 |