| 1955 BLATTNER EMIL Draft Rigging Patent Print |
| 1960 BLATTNER EMIL Snubbed Strut Patent Print |
| 1958 BLATTNER EMIL Draft Mechanism Patent Print |
| 1959 BLATTNER EMIL Draft Gears Patent Print Art |
| 1941 BLATTNER EMIL Side Bearing Patent Print Art |
| 1959 BLATTNER EMIL Coupler Support Patent Print |
| 1958 BLATTNER EMIL Side Bearing Patent Print Art |
| 1958 BLATTNER EMIL Draft Structure Patent Print |
| 1959 BLATTNER EMIL Railway Truck Patent Print |
| 1932 BLATTNER EMIL Draft Gear Patent Print Art |
| 1956 BLATTNER EMIL Snubber Patent Print Art |
| 1960 BLATTNER EMIL Draft Rigging Patent Print |
| 1959 BLATTNER EMIL Draft Mechanism Patent Print |
| 1955 BLATTNER EMIL Journal Box Lid Patent Print |
| 1933 BLATTNER EMIL Journal Box Patent Print Art |
| 1957 BLATTNER EMIL Draft Rigging Patent Print |
| 1960 BLATTNER EMIL Draft Gears Patent Print Art |
| 1960 BLATTNER EMIL Draft Gear Patent Print Art |
| 1955 BLATTNER EMIL Rotary Coupler Patent Print |
| 1950 BLATTNER EMIL Side Bearing Patent Print Art |
| 1960 BLATTNER EMIL Draft Attachment Patent Print |
| 1959 BLATTNER EMIL Draft Rigging Patent Print |