| 1938 STANDARD SPORTS MFG CO Baseball Mitt Patent |
| 1938 YALE & TOWNE MFG CO Hand Lift Truck Patent |
| 1938 CYCLONE MFG CO Electric Brooder Patent |
| 1938 FARRELL MFG COMPANY Tank Vehicle Patent |
| 1938 BUDD EDWARD G MFG CO Rail Car Truck Patent |
| 1938 HUBLEY MFG COMPANY Toy Pistol Patent Print |
| 1938 BRIGGS MFG CO Upholstery Fastener Patent |
| 1938 ENTERPRISE MFG CO Float Construction Patent |
| 1938 LAKEWOOD MFG CO Toy Vehicle Patent Print |
| 1938 SOUTH BEND TOY MFG CO Toy Patent Print Art |
| 1938 AVIAT MFG CORP Propeller Patent Print Art |
| 1938 KILGORE MFG COMPANY Toy Pistol Patent Print |
| 1938 DETROIT GASKET & MFG COMPANY Panel Patent |
| 1938 REGEN MFG CO INC O Sewing Machine Patent |
| 1938 SINGER MFG CO Sewing Machine Patent Print |
| 1938 AVIAT MFG CORP Tail Wheel Structure Patent |
| 1938 AVIAT MFG CORP Propeller Blade Patent Print |
| 1938 FIELD MFG COMPANY INC Whistle Patent Print |
| 1938 HUDSON MFG CO H D Dusting Machine Patent |
| 1938 BUDD EDWARD G MFG CO Sled Knee Patent Print |
| 1938 SINGER MFG CO Trimming Machine Patent Print |
| 1938 SINGER MFG CO Sewing Machine Cabinet Patent |
| 1938 TRUMBULL ELECTRIC MFG CO Brooder Patent |
| 1938 ROCK OLA MFG CORP Game Apparatus Patent |
| 1938 BENJAMIN ELECTRIC MFG CO Motor Horn Patent |
| 1938 HEINTZ MFG COMPANY Retaining Means Patent |
| 1938 BRIGGS MFG CO Fastener Device Patent Print |