| 1922 WALTER Brake Rod Adjuster Art Print Patent |
| 1934 FARMER Brake Shoe Clearance Adjuster Patent |
| 1958 DOREY Brake Slack Adjuster Patent Print Art |
| 1946 ALVA Air Brake Slack Adjuster Patent Print |
| 1938 AMERICAN BRAKE CO Slack Adjuster Patent |
| 1923 AMERICAN BRAKE CO Slack Adjuster Patent |
| 1948 LEE Air Brake Slack Adjuster Patent Print |
| 1964 SHOWERS Double Acting Brake Adjuster Patent |
| 1938 BLOMBERG Brake Slack Adjuster Patent Print |
| 1950 BARTSCH HERBERT Brake Adjuster Patent Print |
| 1934 CAMP PERCY Brake Adjuster Patent Print Art |
| 1922 MCARTHUR Brake Rod Adjuster Patent Print |
| 1938 GEN MOTORS CORP Brake Slack Adjuster Patent |
| 1931 PIETZSCH Brake Slack Adjuster Patent Print |
| 1932 HENRY Brake Leverage Adjuster Patent Print |
| 1957 LEONARD BOCEK Brake Adjuster Patent Print |
| 1956 DOREY Brake Slack Adjuster Patent Print Art |
| 1924 AMERICAN BRAKE CO Slack Adjuster Patent |
| 1957 ACF IND INC Brake Slack Adjuster Patent |
| 1951 JACK Automatic Brake Adjuster Patent Print |
| 1957 HENRY Brake Slack Adjuster Patent Print Art |
| 1937 AMERICAN BRAKE CO Slack Adjuster Patent |
| 1957 GERD RUNKEN Brake Slack Adjuster Patent |
| 1951 MARTIN Railroad Brake Slack Adjuster Patent |