| 1928 BETHLEHEM STEEL CORP Gun Carriage Patent |
| 1928 GEN MOTORS CORP Bumper With Rubber Buffer |
| 1928 GOODYEAR ZEPPELIN CORP Landing Bumper Airships |
| 1928 REX WATSON CORP Skate Wheel Patent Print |
| 1928 BARBARITE CORP Shaft Golf Clubs Like Art |
| 1928 BOSSERT CORP Automobile Bumper Patent Print |
| 1928 DELCO REMY CORP Electric Horn Patent Print |
| 1928 DOBLE STEAM MOTORS CORP Rear Vision Mirror |
| 1928 DAVIS WARNER ARMS CORP Gun Patent Print Art |
| 1928 UNITED SHOE MACHINERY CORP Sewing Machine |
| 1928 GEN CABLE CORP Wheel Guard Patent Print Art |
| 1928 ATLANTIC AIRCRAFT CORP Undercarriage Aircraft |
| 1928 GOODYEAR ZEPPELIN CORP Gas Cell Rigid Airships |
| 1928 PITTSBURGH STEEL FOUNDRY CORP Truck Bolster |
| 1928 HALL AIRWAYS CORP Aircraft Patent Print Art |
| 1928 DELCO REMY CORP Sound Signal Patent Print |
| 1928 TRICO PRODUCTS CORP Adjustable Supporter Bracket |
| 1928 HALL DRAFT GEAR CORP Friction Draft Gear |
| 1928 GEN MOTORS CORP Transmission Lock Patent |
| 1928 PYRATONE PRODUCTS CORP Shaft Golf Clubs Like |
| 1928 BOWEN PRODUCTS CORP Lubricating System Art |
| 1928 UNITED SHOE MACHINERY CORP Horn Sewing Machines |
| 1928 METALCRAFT CORP Toy Knockdown Aeroplane Art |
| 1928 STUDEBAKER CORP Lock Patent Print Art |
| 1928 LIONEL CORP Block System Toy Electric Railroads |
| 1928 FOKKER ANTHONY Airplane ATLANTIC AIRCRAFT CORP |
| 1928 SURE GUARD CORP Bumper Patent Print Art |
| 1928 CONTINUOUS TRAIN CONTROL CORP Train Control System |
| 1928 CONS MACHINE TOOL CORP AMER Rail Clamp Art |
| 1928 LAMB ERNEST Lock STUDEBAKER CORP Patent |
| 1928 RCA CORP Radio Football Score Board Patent |
| 1928 B S CORP Railway Journal Oiling Art Print |
| 1928 PNEUMATIC APPLIANCES CORP Vehicle Bumper |
| 1928 DELCO REMY CORP Controller Lock Patent |
| 1928 OLMSTEAD CORP Undergarment Patent Print Art |
| 1928 HALL AIRWAYS CORP Aircraft Propelling Mechanism |
| 1928 ATLANTIC AIRCRAFT CORP Airplane Patent |
| 1928 GEN MOTORS CORP Shipping Automobiles Patent |
| 1928 SCHAUMAN KARL Bumper SURE GUARD CORP Patent |
| 1928 GOODYEAR ZEPPELIN CORP Gas Cells Airships |
| 1928 BETHLEHEM STEEL CORP Detonating Fuse Patent |
| 1928 FREEMAN Display Device ROBERTS CORP Patent 20271 |
| 1928 METAL WARE CORP Toy Electric Engine Patent |
| 1928 BOSSERT CORP Bumper Bracket Automobiles Art |
| 1928 GEN MOTORS CORP Spring Hanger Bumper Support |
| 1928 TRUSOGRAM CORP Decorative Embroidery Patent |
| 1928 PLAYGROUND EQUIPMENT CORP Merry Go Round |
| 1928 HALL DRAFT GEAR CORP Shock Absorber Patent |
| 1928 ADAMS ROBERT Gun Case ADJUSTABLE GUN CASE CORP |
| 1928 FAIRCHILD LOCK CORP Lock Housing Patent |
| 1928 SURE GUARD CORP Car Bumper Patent Print Art |
| 1928 GEN MOTORS CORP Lubrication Brake Shafts |
| 1928 BRIGGS STRATTON CORP Terminal Head Fastening |
| 1928 UNITED SHOE MACHINERY CORP Thread Waxing |
| 1928 A R FERGUSSON MFG CORP Ice Skate Patent |
| 1928 DELCO REMY CORP Signaling Device Patent |
| 1928 GOODYEAR ZEPPELIN CORP Hollow Girder Patent |
| 1928 LIONEL CORP Toy Railroad Track Switch Print |
| 1928 UNITED SHOE MACHINERY CORP Machine Sewing Bags |
| 1928 PAXTON CORP Propelling System Method Art |
| 1928 Pacific Spruce Corp Book, Lumber Logging Railroad |
| 1928 Pacific Spruce Corp Book, Lumber Logging Railroad |
| 1928 Indiana Truck Corp.Marion Indiana Truck ad |