| 1927 GEN MOTORS CORP Transmission Lock Patent |
| 1927 SUPREME Transmission Mechanism Player Actions |
| 1927 WISWELL ARTHUR Transmission Lock Patent |
| 1927 JEFFRIES SCHUYLER Transmission Patent Print |
| 1927 GEN MOTORS CORP Transmission Lock Motor Vehicles |
| 1927 WESTERN High Frequency Sound Transmission System |
| 1927 FLINT RALPH Transmission Lock Patent Print |
| 1927 RYDBERG Transmission Mechanism Player Actions |
| 1927 ELIZABETH BALLAMOS Automobile Transmission Lock |
| 1927 SPRAGUE High Frequency Sound Transmission System |
| 1927 REASON Automobile Transmission Lock Patent |
| 1927 CARPENTER Transmission Gear Lock Patent |
| 1927 ELIZABETH BALLAMOS Transmission Lock Patent |
| 1927 GATES CORP Transmission Gear Lock Patent |
| 1927 SROTE WILLIAM Transmission Patent Print Art |
| 1927 THOMAS Power Transmission Mechanism Patent |
| 1927 FERRIS Hydraulic Transmission Patent 20760 |
| 1927 REO MOTOR CAR COMPANY Transmission Patent |
| 1927 ARNOLD Electrical Transmission Art Print |
| 1927 JOHNSON Transmission Housing Cover Locking Means |
| 1927 DE Transmission Lock Motor Vehicles Art |