| 1933 PECK Steering Mechanism For Boats Patent |
| 1933 FOWLER Clock Winding Mechanism Patent Print |
| 1933 WINDESHEIM Dual Alarm Mechanism Patent |
| 1933 BROWNING Trigger Mechanism Patent Print Art |
| 1933 BARROWS Cushioning Mechanism Patent Print |
| 1933 BOOTH FRANK Timing Mechanism Patent Print |
| 1933 CHARLES KADLEC Tufting Mechanism Patent |
| 1933 BANKERS PROT CO Firing Mechanism Patent |
| 1933 CARL Toy With Driving Mechanism Patent |
| 1933 CURRAN Clock Illuminating Mechanism Patent |
| 1933 ERNST Bass Mechanism For Accordions Patent |
| 1933 TAYLOR HOWARD Brake Mechanism Patent Print |
| 1933 ROSENFELD Timed Defrosting Mechanism Patent |
| 1933 KLASING Railway Car Brake Mechanism Patent |
| 1933 ARTHUR Friction Clutch Mechanism Patent |
| 1933 BLUNT JAMES Brake Mechanism Patent Print |
| 1933 AURIEN RAY Brake Mechanism Patent Print Art |
| 1933 HENRY Variable Leverage Mechanism Patent |
| 1933 NELSON Brake Actuating Mechanism Patent |
| 1933 WOOD Buttonhole Cutting Mechanism Patent |
| 1933 PAUL Horological Mechanism Patent Print Art |
| 1933 SYMINGTON CO Cushioning Mechanism Patent |
| 1933 DALY JOHN Register Mechanism Patent Print |
| 1933 SMITH Snap Actuating Mechanism Patent Print |
| 1933 DRISCOLL Automatic Call Mechanism Patent |
| 1933 FLEXIBLE TRUCK CORP Brake Mechanism Patent |
| 1933 H Thread Control Mechanism Patent Print Art |
| 1933 ROSS Cloth Forming Mechanism Patent Print |
| 1933 WHITRIDGE Draft Gear Mechanism Patent Print |
| 1933 SCHOMER HENRY Tufting Mechanism Patent |
| 1933 RICHTER Calendar Mechanism Patent Print Art |
| 1933 JAEGER Oar Operating Mechanism Patent Print |
| 1933 DENNISTON ADOLPH Clock Mechanism Patent |
| 1933 TREIN Time Control Mechanism Patent Print |
| 1933 EDMUNDS Mine Car Brake Mechanism Patent |
| 1933 SMITH JAMES Pumping Mechanism Patent Print |
| 1933 SCHMOHL Car Dumping Mechanism Patent Print |
| 1933 WEIS Looper Driving Mechanism Patent Print |
| 1933 WITTE Marine Steering Mechanism Patent |
| 1933 SANFORD Switching Mechanism Patent 20779 |
| 1933 AUGUST Cartridge Feed Mechanism Patent |
| 1933 SMITH Conversional Timing Mechanism Patent |
| 1933 KAY WRIGHT Propelling Mechanism Patent |
| 1933 REGAN Coupler Operating Mechanism Patent |
| 1933 SOLOMON COCHIN Watch Mechanism Patent Print |
| 1933 FINCH Locomotive Drive Rod Mechanism Patent |
| 1933 THOMPSON Boat Propelling Mechanism Patent |