| 1928 JOSEPH Steering Column Locking Motor Vehicles |
| 1928 BLOSSOM Automobile Locking Mechanism Patent |
| 1928 CRAIG Fluid Pressure Locking Means Car Doors |
| 1928 JOHN F DALY WILLIAM DONAHUE Locking Art |
| 1928 WILLIAM H LOUD Locking Mechanism Automobiles |
| 1928 JOHN KRIES Locking Device Patent Print Art |
| 1928 MCGINLEY Locking Mechanism Patent Print Art |
| 1928 THOMAS EDWARD Locking Mechanism Patent |
| 1928 FRANK Accordion Locking Means Patent Print |
| 1928 LAW Safety Locking Auto Hoods Art Print |
| 1928 FITCH Locking Mechanism Removable Containers |
| 1928 INLAND MFG CO Locking Handwheel Patent |
| 1928 PILLATOS Switch Point Operating Locking Mechanism |
| 1928 KENWORTHY BYRON Locking Device Patent Print |
| 1928 KENWORTHY ROBERT Locking Device Patent |
| 1928 GRAVES CHARLES Locking Device Patent Print |
| 1928 BRAYTON Locking Device For Fuses Patent |
| 1928 JULES Self Locking Snare For Wolves Patent |
| 1928 ROEHRICH Locking Mechanism Automobiles Art |
| 1928 MARTEL Locking Automobiles Art Print Patent |
| 1928 BLOSSOM LOCK Automobile Locking Mechanism |
| 1928 MATSON Safety Locking Automobiles Art Print |
| 1928 SCOTT ALVA Locking Handwheel Patent Print |
| 1928 ANDERSON Locking Motor Vehicles Art Print |
| 1928 JAMES Switch Point Operating Locking Mechanism |