| 1930 SALVAGE PROCESS CORP Oil Pumping Art Print |
| 1930 FAIRCHILD LOCK CORP Trip Lock Patent Print |
| 1930 AUTOMOBILE LOCK ALARM CORP Alarm Art Print |
| 1930 UPPERCU BURNELLI CORP Airplane Patent Print |
| 1930 DODGEM CORP Amusement Device Patent Print |
| 1930 RAMAPO AJAX CORP Switch Stand Patent Print |
| 1930 RCA CORP Loud Speaker Horn Patent Print Art |
| 1930 CHRYSLER CORP Bumper Patent Print Art |
| 1930 FAIRCHILD AVIAT CORP Tail Skid Patent Print |
| 1930 DELCO REMY CORP Lock Switch Patent Print |
| 1930 GEN MOTORS CORP Bumper Patent Print Art |
| 1930 DELCO REMY CORP Warning Signal Patent Print |
| 1930 DAY PERCY Ferryboat FALK CORP Patent Print |
| 1930 BETHLEHEM STEEL CORP Clutch Patent Print |
| 1930 FANTAIL BOAT CORP Speed Boat Patent Print |
| 1930 FLEXIBLE TRUCK CORP Car Truck Patent Print |
| 1930 LIONEL CORP Bumper Patent Print Art |
| 1930 FALK CORP Ferryboat Patent Print Art |
| 1930 BRIGGS & STRATTON CORP Switch Patent Print |
| 1930 STUDEBAKER CORP Lock Patent Print Art |
| 1930 IVES CORP Toy Locomotive Wheel Patent Print |
| 1930 GEN MOTORS CORP Theft Preventing Art Print |
| 1930 CONS AIRCRAFT CORP Aircraft Patent Print |