| 1927 PERFECTION STEEL BODY CO End Gate Patent |
| 1927 BECK Pneumatically Operated Railway Gate |
| 1927 GEORGE Railroad Crossing Gate Operating |
| 1927 POTH JOHN End Gate PERFECTION STEEL BODY CO |
| 1927 BUFFINGTON Combined End Gate Ramp Art Print |
| 1927 PETER VERDUGT Wagon End Gate Patent Print |
| 1927 PACIFICO FRULLA Railroad Gate Patent Print |
| 1927 MUSSELMAN Automatic Railway Gate Patent |
| 1927 JOHN THEIS DOMENIK CARUSO Railway Gate Art |
| 1927 SALLEE ROBERT Gate Patent Print Art |
| 1927 JIMMIS Traffic Safety Gate Patent Print Art |
| 1927 JONES Railroad Highway Crossing Gate Art |
| 1927 LOUIS Automatic Gate Opening Closing Art |
| 1927 LOUIS Railroad Crossing Gate Patent Print |
| 1927 SCOTT CHARLES Railway Gate Patent Print Art |
| 1927 BEDFORD Railroad Crossing Gate Patent Print |
| 1927 CARSON Automatic Safety Gate Railroad Crossings |
| 1927 VINCENT Gate For Railroad Crossings Patent |
| 1927 CAPUTO MICHAEL Crossing Gate Patent Print |
| 1927 BROWN Train Controlled Railway Crossing Gate |
| 1927 COBROS JOHN Railway Gate Patent Print Art |