| 1929 OCEAN Motor Surfing Apparatus Patent Print |
| 1929 THOMAS Amuesement Apparatus Patent Print |
| 1929 STANDISH Lubricating Apparatus Patent Print |
| 1929 RENTZ Vending Game Apparatus Patent Print |
| 1929 BLATTNER Game Apparatus Patent Print Art |
| 1929 DOWERS Amusement Apparatus Patent Print Art |
| 1929 MCLAUGHLIN Amusement Apparatus Patent Print |
| 1929 ROWE Pantographic Apparatus Patent Print |
| 1929 BARKER Farrowing Apparatus Patent Print Art |
| 1929 KORNSWEET Game Apparatus Patent Print Art |
| 1929 JOSEPH Playground Apparatus Patent Print |
| 1929 BURTON Amusement Apparatus Patent Print Art |
| 1929 MOLNAR CHARLES Game Apparatus Patent Print |
| 1929 TURNER ROBERT Game Apparatus Patent Print |
| 1929 THORNTON Playground Apparatus Patent Print |
| 1929 SCHAD Aeronautical Apparatus Patent Print |
| 1929 TEOBALDO Amusement Apparatus Patent Print |
| 1929 ANDERSON Exercising Apparatus Patent Print |
| 1929 SELLNER Amusement Apparatus Patent Print |
| 1929 BLAIR Bowling Game Apparatus Patent Print |
| 1929 MARKMAN HARVEY Game Apparatus Patent Print |
| 1929 LITTLEFIELD Game Apparatus Patent Print Art |
| 1929 ODELL EARL Exercise Apparatus Patent Print |
| 1929 JOHN Life Saving Apparatus Patent Print Art |
| 1929 RISTOW HERBERT Game Apparatus Patent Print |
| 1929 HOPPES Playground Apparatus Patent Print |
| 1929 EWING Signal Control Apparatus Patent Print |
| 1929 CLYDE Exercising Apparatus Patent Print Art |
| 1929 HUFF THOMAS Dusting Apparatus Patent Print |
| 1929 CHARLES WEISSER Game Apparatus Patent Print |
| 1929 WINTON Playground Apparatus Patent Print |
| 1929 MCALICE DENNIS Game Apparatus Patent Print |
| 1929 ENGSTRAND Pumping Apparatus Patent Print |
| 1929 YASAKU KURIHARA Game Apparatus Patent Print |
| 1929 ELMER JONES Game Apparatus Patent Print Art |
| 1929 BETTISON Electrical Apparatus Patent Print |
| 1929 GUSTAVE Amusement Apparatus Patent Print |
| 1929 FREDERICK Amusement Apparatus Patent Print |
| 1929 ANDREWS AUSTIN Game Apparatus Patent Print |
| 1929 CLINTON Shot Firing Apparatus Patent Print |
| 1929 HEINRICH Exercising Apparatus Patent Print |
| 1929 HEDGES Playground Apparatus Patent Print |
| 1929 BLAINE KLUM Football Apparatus Patent Print |