| 1929 JONES ELMER Feeding Device Patent Print Art |
| 1929 PEEK SANDFORD Game Device Patent Print Art |
| 1929 VINCENT Protective Device For Harness Art |
| 1929 PITCAIRN Helicopter Device Patent Print Art |
| 1929 KUSSAT RUDOLF Game Device Patent Print Art |
| 1929 KARL Device For Strengthening The Gums Art |
| 1929 BRIGGS MFG CO Button Attaching Device Art |
| 1929 RAYNOR Device For Sewing Powder Puffs Art |
| 1929 ROY KINDT Game Device Patent Print Art |
| 1929 GAASBEEK HELEN Game Device Patent Print Art |
| 1929 PATRICK RYAN Paddle Device Patent Print Art |
| 1929 LESTER Vehicle Toy Device Patent Print Art |
| 1929 ADAM SMITH Latch Device Patent Print Art |
| 1929 HARTWELL Detonating Device Patent Print Art |
| 1929 CHARLES Lubricating Device Patent Print Art |
| 1929 JUNKER THOMAS Game Device Patent Print Art |
| 1929 MARTIN DOERR Game Device Patent Print Art |
| 1929 CONN GEORGE Decking Device Patent Print Art |
| 1929 NAT SEWING MACHINE COMPANY Latch Device Art |
| 1929 LUM GEORGE Acoustic Device Patent Print Art |
| 1929 CALVERT JAMES Game Device Patent Print Art |