| 1929 FAIRCHILD AIRPLANE CORP Airplane Shock Absorber |
| 1929 JANDUS HERBERT Clamp GEN SPRING BUMPER CORP |
| 1929 GOODYEAR ZEPPELIN CORP Rigid Airship Patent |
| 1929 B B T CORP OF AMERICA Beacon Patent Print |
| 1929 CURRY LANDSKIFF CORP Vehicle Patent Print |
| 1929 DALLAS AEROPLANE CORP Propeller Aeroplanes |
| 1929 DOBLE STEAM MOTORS CORP Locomotive Patent |
| 1929 GEN MOTORS CORP Metal Running Board Patent |
| 1929 AIRCRAFT DEV CORP Mooring Means Airships |
| 1929 MONORAIL ENGINEERING CORP Monorail Car Truck |
| 1929 GEN MOTORS RES CORP Heater Lubricating Oil |
| 1929 PHELPS BARTON Drop Pit WHITING CORP Patent |
| 1929 INTERNAT TOY CORP Racing Game Patent Print |
| 1929 DELCO REMY CORP Switch Device Patent Print |
| 1929 ALEMITE CORP Lubricating Fitting Patent |
| 1929 WELTE MIGNON CORP Fall Board Operating Mechanism |
| 1929 LOUIS CARUSO Toy Car LIONEL CORP Patent |
| 1929 ADOLF ROHRBACH Airplane ROHRBACH PATENTS CORP |
| 1929 MANFRED CURRY Vehicle CURRY LANDSKIFF CORP |
| 1929 DE BOER Wall Pocket GRAND RAPIDS METALCRAFT CORP |
| 1929 ISOTHERMOS CORP Automatic Lubricating Journal Box |
| 1929 FAIRCHILD AIRPLANE CORP Folding Wing Art |
| 1929 FAIRCHILD AVIAT CORP Pontoon Attaching Means |
| 1929 GEN MFG CORP Mechanical Ball Game Patent |
| 1929 UNITED SHOE MACHINERY CORP Sewing Machine |
| 1929 OUTBOARD MOTORS CORP Drip Pan Outboard Motors |
| 1929 UNITED SHOE MACHINERY CORP Inseam Sewing Machine |
| 1929 MOTOR PRODUCTS CORP Molding Patent Print |
| 1929 KEYSTONE AIRCRAFT CORP Dusting Art Print |
| 1929 WELTE MIGNON CORP Fall Board Patent Print |
| 1929 ALLOY BOAT CORP Folding Fin Motor Boats Art |
| 1929 GEN STEEL CASTINGS CORP Locomotive Structure |
| 1929 GEN SPRING BUMPER CORP Bumper Clamp Patent |
| 1929 GEN STEEL CASTINGS CORP Locomotive Spring Rigging |
| 1929 MOTOR PRODUCTS CORP Finish Strip Assembly |
| 1929 GEN STEEL CASTINGS CORP Pilot Beam Patent |
| 1929 GLOBE TECHNOLIAN CORP Tone Developing Unit |
| 1929 GEN MOTORS CORP Automobile Shipping Art |
| 1929 UNITED SHOE MACHINERY CORP Cast Off Patent |
| 1929 EDO AIRCRAFT CORP Seaplane Float Patent |
| 1929 JANDUS HERBERT Bumper GEN SPRING BUMPER CORP |
| 1929 B B T CORP AMERICA Airplane Landing Art |
| 1929 MUNSINGWEAR CORP Lady'S Undergarment Patent |
| 1929 PULLMAN CAR AND MFG CORP Car Truck Patent |
| 1929 MONORAIL ENGINEERING CORP Car Hanger Patent |
| 1929 KELLOGG HOMER Molding MOTOR PRODUCTS CORP |
| 1929 O C DURYEA CORP Car Construction Patent |
| 1929 GEN SPRING BUMPER CORP Clamp Patent Print |
| 1929 KEYSTONE AIRCRAFT CORP Landing Gear Airplanes |
| 1929 WHITING CORP Drop Pit Patent Print Art |
| 1929 CEDAR CORP N O Automatic Mop Pad Making Machine |
| 1929 AUTO RESEARCH CORP Flow Control Fitting Art |
| 1929 DYER MOTORCRAFT CORP Boat Patent Print Art |
| 1929 PUTT WELL GOLF CORP Golf Game Patent Print |
| 1929 GOODYEAR ZEPPELIN CORP Gas Cell Rigid Airships |
| 1929 DELCO REMY CORP Electric Horn Patent Print |
| 1929 DRY ZERO CORP Insulated Tank Patent Print |
| 1929 ATLAS TACK CORP Lock For Trunks Patent |
| 1929 GEN SPRING BUMPER CORP Bumper Patent Print |
| 1929 GOTT EDGAR Aircraft KEYSTONE AIRCRAFT CORP |
| 1929 LITE US SPRING CLASP CORP DE Toy Aeroplane |
| 1929 BRIGGS STRATTON CORP Lock Automotive Vehicles |
| 1929 GEN MOTORS CORP Car Truck Construction Art |
| 1929 GEN MOTORS CORP Pressed Steel Running Board |
| 1929 ROHRBACH PATENTS CORP Airplane Patent Print |
| 1929 MUSICAL ACCESSORIES CORP Saxophone Cleaning |
| 1929 UNITED SHOE MACHINERY CORP Shoe Sewing Machine |
| 1929 BADGER CORP Automobile Side Bar Head Art |
| 1929 SALVAGE PROCESS CORP Pumping Art Print |
| 1929 DELCO REMY CORP Electric Switch Patent |
| 1929 JOHNSON AEROPLANE CORP Airplane Patent |
| 1929 GEN STEEL CASTINGS CORP Booster Motor Support |
| 1929 ANDREWS CRANE CORP Hand Lift Platform Truck |
| 1929 AIRUBBER CORP Swimming Device Patent Print |
| 1929 ISOTHERMOS CORP OF AMERICA Journal Box Art |
| 1929 KEYSTONE AIRCRAFT CORP Aircraft Patent |
| 1929 UNITED REPRODUCERS CORP Sound Amplifier Art |
| 1929 UNITED SHOE MACHINERY CORP Driving Mechanism |
| 1929 GEN SPRING BUMPER CORP Resilient Clamp Art |
| 1929 BARBARITE CORP Billiard Cue Patent Print |
| 1929 ISOTHERMOS CORP AMERICA Bush Axle Boxes Art |
| 1929 INTERNAT MUSICAL CORP Stringed Musical Instrument |
| 1929 GEN STEEL CASTINGS CORP Railway Truck Art |
| 1929 PAXTON CORP Propelling Maneuvering System Vessels |
| 1929 FAIRCHILD AIRPLANE CORP Pontoon Nose Buffer |
| 1929 WHITING CORP Transfer Platform Patent Print |
| 1929 CURTISSCAPRONI CORP Longeron Aeroplanes Art |
| 1929 CONS AIRCRAFT CORP Attachment Patent Print |
| 1929 BADGER MFG CORP Automobile Bumper Patent |
| 1929 GEN MOTORS CORP Decking Device Patent Print |
| 1929 GEN MOTORS CORP Lubricating System Motor Vehicles |
| 1929 GRAND RAPIDS METALCRAFT CORP Wall Pocket |
| 1929 DELCO REMY CORP Sound Signal Patent Print |
| 1929 GEN MOTORS CORP Special Truck Patent Print |
| 1929 Huntington Aircraft Corp Stock Certificate X-Rare |
| 1929 MID-CONTINENTAL PETROLEUM CORP REFINERY TULSA OK |
| 1929 Thompson Aeronautical Corp Pontiac Michigan |