| 1935 O'CONNOR ARTHUR Brake Mechanism Patent |
| 1927 O'CONNOR Shock Absorbing Mechanism Patent |
| 1937 O'CONNOR Hand Brake Mechanism Patent Print |
| 1924 O'CONNOR Friction Shock Absorbing Mechanism |
| 1920 O'CONNOR Tandem Shock Absorbing Mechanism |
| 1923 O'CONNOR Friction Shock Absorbing Mechanism |
| 1920 O'CONNOR JOHN Brake Mechanism Patent Print |
| 1928 O'CONNOR Buffing Mechanism Patent Print Art |
| 1929 O'CONNOR Friction Shock Absorbing Mechanism |
| 1935 O'CONNOR Door Mounting Operating Mechanism |
| 1926 O'CONNOR Friction Shock Absorbing Mechanism |
| 1922 O'CONNOR Friction Shock Absorbing Mechanism |
| 1929 O'CONNOR Shock Absorbing Mechanism Patent |
| 1920 O'CONNOR Friction Shock Absorbing Mechanism |
| 1927 O'CONNOR Friction Shock Absorbing Mechanism |
| 1921 O'CONNOR Coupling Release Mechanism Patent |
| 1939 O'CONNOR Hand Brake Mechanism Patent Print |
| 1937 O'CONNOR Handwheel Operated Mechanism Art |
| 1921 O'CONNOR Friction Shock Absorbing Mechanism |
| 1928 O'CONNOR Friction Shock Absorbing Mechanism |
| 1955 O'CONNOR Hand Brake Mechanism Patent Print |