| 1938 LOS Braking Mechanism For Railway Cars Art |
| 1938 SPERRY GYROSCOPE INC Mechanical Servo Mechanism |
| 1938 HARDMAN PECK Piano Mechanism Art Print |
| 1938 THOMAS Change Speed Gear Mechanism Cycles Like |
| 1938 Zigzag Stitch Forming Mechanism Sewing Machines |
| 1938 LEWIS Top Feed Mechanism Sewing Machines |
| 1938 WALLACE TIERNAN INC Circuit Controlling Mechanism |
| 1938 CONN LTD C G Key Mechanism Woodwind Instruments |
| 1938 MINER W H Quick Take Up Mechanism Hand Brakes |
| 1938 HENRY Quick Take Up Mechanism Hand Brakes |
| 1938 BOYLE Valve Mechanism Art |
| 1938 WALLACE Circuit Controlling Mechanism Art |
| 1938 SPERRY PROD INC Track Recorder Mechanism |
| 1938 RUBEL Fabric Feeding Mechanism Sewing Machines |
| 1938 MCCULLOUGH Switch Timing Mechanism Art |
| 1938 MURPHY Pin Spotting Mechanism Patent Print |
| 1938 KNIGHT Walk Over Seat Mechanism Patent |
| 1938 WATERMAN Feeding Mechanism Sewing Machines |
| 1938 LONG HOOK EYE DE Sewing Machine Mechanism |
| 1938 SINGER CO Feeding Mechanism Sewing Machines |
| 1938 HOKE HARRY Brake Mechanism Patent Print Art |
| 1938 UNION Trimming Mechanism Sewing Machines |
| 1938 NAT Uncoupling Mechanism Car Couplers Art |
| 1938 FAIRMONT Mounting Mechanism Vehicle Bodies |
| 1938 WILLCOX Sewing Machine Feeding Mechanism |
| 1938 EISENBERG Hoisting Mechanism Patent Print |
| 1938 HODGMAN Mechanical Servo Mechanism Patent |
| 1938 GWINN Aircraft Wheel Mechanism Patent Print |
| 1938 BAZELEY Uncoupling Mechanism Car Couplers |
| 1938 KNIGHT Reclining Seat Control Mechanism Art |
| 1938 MCNICOLL Starting Mechanism Patent Print |
| 1938 JAMES Fraud Preventing Mechanism Game Art |
| 1938 FITCH Transportable Cable Winding Mechanism |
| 1938 MUELLER EMIL Brake Mechanism Patent Print |
| 1938 SUPERIOR HAND BRAKE CO Brake Mechanism Art |
| 1938 EDMUND Take Up Mechanism Sewing Machines |
| 1938 MINER INC W H Quick Take Up Mechanism Art |
| 1938 CLAYTON Feeding Mechanism Sewing Machines |
| 1938 GANTNER WILLIAM Brake Mechanism Patent |
| 1938 FLECKENSTEIN Feeding Mechanism Sewing Machines |
| 1938 HEIL CO Hoisting Mechanism Patent Print Art |
| 1938 IVAN Electric Clock Mechanism Patent Print |
| 1938 UNION Fabric Feeding Mechanism Sewing Machines |
| 1938 ALVINA Selective Control Mechanism Radio Sets |
| 1938 LE Feed Mechanism For Sewing Machines Art |
| 1938 DRAKE Rail Flaw Detector Mechanism Patent |
| 1938 HAND Sewing Machine Mechanism Patent Print |
| 1938 WAUGH EQUIPMENT Cushioning Mechanism Art |
| 1938 ELLWOOD Propelling Mechanism Aircraft Vehicles |
| 1938 GEORGE Feed Mechanism Sewing Machines Art |
| 1938 LOUNSBURY Quick Take Up Mechanism Hand Brakes |
| 1938 WURLITZER CO Accordion Shift Mechanism Art |
| 1938 AMERICAN Reclining Seat Control Mechanism |
| 1938 BOYLE JAMES Valve Mechanism Patent Print |
| 1938 AMERICAN CAR FOUNDRY CO Walk Over Seat Mechanism |
| 1938 GALLANT Trimming Mechanism Sewing Machines |
| 1938 BURGESS Propulsion Mechanism Aircraft Art |
| 1938 SMITH HENRY Brake Mechanism Patent Print |
| 1938 ANTHONY WILLIAM Tipping Mechanism Patent |
| 1938 UNION Feed Mechanism Sewing Machines Art |
| 1938 JOSEPH PAVELKA Switch Timing Mechanism Art |
| 1938 SPERRY PROD INC Rail Flaw Detector Mechanism |
| 1938 PERRY Track Recorder Mechanism Patent Print |
| 1938 DOWD Sewing Machine Feeding Mechanism Art |
| 1938 ANTHONY CO Tipping Mechanism Patent Print |
| 1938 MUELLER Top Feed Mechanism Sewing Machines |
| 1938 UNION Transmission Mechanism Sewing Machines |
| 1938 OLANDER Quick Take Up Mechanism Patent |
| 1938 HEDGES Motor Boat Drive Steering Mechanism |
| 1938 KUCERA Trimming Mechanism Sewing Machines |
| 1938 MAJNERI Fluid Pressure Control Mechanism |
| 1938 JOHN BLASER Aeroplane Propeller Drive Mechanism |
| 1938 PAUL Aeroplane Propeller Drive Mechanism |
| 1938 PLATZ Key Mechanism Woodwind Instruments |
| 1938 KENYON Aeroplane Control Mechanism Patent |
| 1938 HONEYWELL REGULATOR CO Starting Mechanism |
| 1938 DOUD Brake Actuating Equalizing Mechanism |
| 1938 Selective Control Mechanism Radio Sets Art |
| 1938 STANDARD Car Coupler Operating Mechanism |
| 1938 EUSTIS Mounting Mechanism Vehicle Bodies |
| 1938 GEORGE Transmission Mechanism Sewing Machines |
| 1938 AMERICAN BRAKE CO Brake Mechanism Patent |
| 1938 UNITED Take Up Mechanism Sewing Machines |
| 1938 CONS AIRCRAFT CORP Aircraft Wheel Mechanism |
| 1938 NICHOLAS Car Coupler Operating Mechanism |
| 1938 CLARK Cushioning Mechanism Patent Print Art |
| 1938 JOSEPH SAUERLAND Piano Mechanism Patent |
| 1938 CARL Accordion Shift Mechanism Patent Print |