| 1930 LUNDBORG Method Shipping Engines Art Print |
| 1930 ROMINE Method Shipping Metal Art Print |
| 1930 HARRY L DIEHL Method Twisting Gut Like Art |
| 1930 JOSEPH Method Filling Upholstery Art Print |
| 1930 PRIEST Method Making Belaying Cleats Art |
| 1930 LINN Method Raising Submerged Ships Art |
| 1930 MONT Torpedo Method Making Same Art Print |
| 1930 ALEXANDER Method Of Producing Doll Eyes Art |
| 1930 GAY Method Means Propelling Ships Art Print |
| 1930 CEDRIC Method Creating Marine Effects Art |
| 1930 LAWRENCE Hosiery Method Making Same Art |
| 1930 PETER Method Manufacture Boats Art Print |
| 1930 UNION Method Producing Sewed Articles Art |
| 1930 CHARLES Piping Method Forming Same Art |
| 1930 ALBERTO Salute Method Making Same Art Print |
| 1930 VON Body Support Method Producing Same Art |
| 1930 JOSEPH Method Producing Sewed Articles Art |
| 1930 LOUIS Method Directing Torpedoes Art Print |
| 1930 FOKKER Method Means Operating Airlines Art |
| 1930 PAUL Life Saving Method Submarine Crews Art |
| 1930 SEAMAN Piping Method Forming Same Art Print |
| 1930 MATTHEWS Method Twisting Gut Like Art |
| 1930 LOUIS Method Torpedo Firing Operations Art |