| 1938 OAKES PRODUCTS CORP Bumper Guard Structure |
| 1938 MUELLER EMIL Link Structure Patent Print |
| 1938 DE SEVERSKY Aircraft Structure Patent Print |
| 1938 IRWIN CHASE Boat Structure Patent Print Art |
| 1938 WARREN DONALD Toy Structure Patent Print |
| 1938 EINWAECHTER Pilot And Coupler Structure Art |
| 1938 BARKLEY GROW AIRCRAFT CORP Aerofoil Structure |
| 1938 NAT Weather Stripping Structure Car Windows |
| 1938 NEVILLE Aircraft Frame Structure Patent |
| 1938 MOSES Car Underframe Structure Patent Print |
| 1938 KESSLER Sewing Machine Frame Structure Art |
| 1938 PENNSYLVANIA RAILROAD CO Pilot Coupler Structure |
| 1938 SCHWENTLER Unit Brake Structure Patent |
| 1938 GILPIN Wall Structure For Railway Cars Art |
| 1938 CHICAGO Brake Beam Safety Guard Structure |
| 1938 GEN Closure Equipped Structure Art Print |
| 1938 FARRELL Tank Vehicle Structure Like Art |
| 1938 SHORT Wheel Hub Lock Structure Patent Print |
| 1938 STEPHENS Grille Structure Accordions Art |
| 1938 NAT LOCK WASHER Car Window Structure Art |
| 1938 ALUMINUM CO OF AMERICA Panel Structure Art |
| 1938 JOHN BRUCE ALLEN Dressing Room Forming Structure |
| 1938 MABEE Automobile Lock Structure Patent |
| 1938 AXEL Railway Car Structure Patent Print Art |
| 1938 GEDDES Closure Equipped Structure Patent |
| 1938 JOSEPH Weather Stripping Structure Car Windows |
| 1938 BLESSIN Car Window Structure Patent Print |
| 1938 GEN STEEL CASTINGS CORP Railway Truck Structure |
| 1938 HALLQUIST Railway Pilot Structure Patent |
| 1938 BUCKEYE STEEL CASTINGS CO Pilot Coupler Structure |
| 1938 KUSS Tank Vehicle Structure Like Art Print |
| 1938 WHITEHEAD & KALES CO Deck Structure Patent |
| 1938 ADOLF SAMBRAUS Airplane Structure Patent |
| 1938 AVIAT MFG CORP Tail Wheel Structure Patent |
| 1938 DYKES Dressing Room Forming Structure Art |
| 1938 TATUM JOHN Car Roof Structure Patent Print |
| 1938 BELLANCA GIUSEPPE Wing Structure Patent |
| 1938 Doorway Structure For Boxcars Patent Print |
| 1938 ELECTRIC BOAT CO Boat Structure Patent |
| 1938 JUDD IRVING Deck Structure Patent Print Art |
| 1938 KRISTENSEN Bumper Guard Structure Patent |
| 1938 DRAIM Airplane Wing Structure Patent Print |
| 1938 VICKERS AVIAT LTD Aircraft Frame Structure |
| 1938 HAWES Crossing Gate Structure Patent Print |
| 1938 NEW Locomotive Structure Art Print Patent |
| 1938 HOUDAILLE HERSHEY CORP Wheel Hub Lock Structure |
| 1938 AMERICAN BRAKE CO Link Structure Patent |
| 1938 HALLQUIST Railway Truck Structure Patent |
| 1938 ASSOCIATED Crossing Gate Structure Art |
| 1938 SPRINGER RAY Shim Structure Patent Print |
| 1938 SEVERSKY AIRCRAFT CORP Aircraft Structure |
| 1938 AYER ROBERT Tail Wheel Structure Patent |
| 1938 CHICAGO RAILWAY EQUIPMENT CO Railway Car Structure |
| 1938 MUSSEY DELAVAN Panel Structure Patent Print |
| 1938 HILLS Convertible Bed Structure Trailers |
| 1938 BUSSE Brake Beam Safety Guard Structure Art |
| 1938 STANDARD Wall Structure Railway Cars Art |
| 1938 HOKE Pilot And Coupler Structure Patent |
| 1938 THWAITS Vehicular Tank Structure Patent |
| 1938 MILLER Aeroplane Seat Structure Patent |
| 1938 LENTZ Locomotive Structure Patent Print Art |
| 1938 DE Aircraft Wing Structure Patent Print Art |
| 1938 ERNEST Airplane Wing Structure Patent Print |
| 1938 ANGELL THOMAS Car Structure Patent Print |
| 1938 AMERICAN BRAKE CO Unit Brake Structure Art |
| 1938 GEN STEEL CASTINGS CORP Railway Pilot Structure |
| 1938 SHECHAN Railroad Highway Vehicle Structure |
| 1938 FREDERICK WEINBERG Wheel Structure Patent |
| 1938 MOSES Railway Car Structure Patent Print |
| 1938 HOUDAILLE HERSHEY CORP Automobile Lock Structure |
| 1938 HEIL CO Vehicular Tank Structure Patent |
| 1938 GREGG COMPANY LTD Car Structure Patent |
| 1938 BARKLEY Aerofoil Structure Patent Print Art |