| 1930 OSGOOD BRADLEY CAR Sleeping Car Structure |
| 1930 PFLAGER Railway Truck Structure Patent |
| 1930 EVANS AUTO LOADING INC Decking Structure |
| 1930 TURNER Sleeping Car Structure Patent Print |
| 1930 EVIE STEVENS Bumper Structure Patent Print |
| 1930 KOERBER Track Structure Toy Electric Railways |
| 1930 UPPERCU BURNELLI CORP Wing Bracing Structure |
| 1930 LEDFORD Shock Absorbing Structure Firearms |
| 1930 J F FRIEDEL PAPER BOX Toy Building Structure |
| 1930 EINFELDT ERNEST Wheel Structure Patent |
| 1930 JACKSON Locomotive Structure Patent Print |
| 1930 FRED DRIEMEYER Locomotive Structure Patent |
| 1930 FORBES Amusement Structure Patent 6777 |
| 1930 GEN STEEL CASTINGS CORP Railway Truck Structure |
| 1930 MCCANN Breech Structure Of Guns Patent |
| 1930 NICHOLAS AKIMOFF Ship'S Structure Patent |
| 1930 PETTERSEN Boat Structure Seaplanes Art |
| 1930 SAMUEL Doll-Head Structure Patent Print Art |
| 1930 GEN STEEL CASTINGS CORP Locomotive Structure |
| 1930 LAMBERT Wing Structure For Airplanes Patent |
| 1930 ROLAND Wing Bracing Structure Patent Print |
| 1930 MARKON INC Doll Head Structure Patent Print |
| 1930 FRENCH & HECHT INC Wheel Structure Patent |
| 1930 SNYDER CLIFFORD Decking Structure Patent |
| 1930 NICHOLAS Ship'S Structure Patent Print Art |