| 1930 APPLEGATE Educational Game Apparatus Patent 6775 |
| 1930 HOLMES SYDNEY Game Apparatus Patent Print |
| 1930 WETZELL CLARE Game Apparatus Patent Print |
| 1930 AMERICAN PATENTS CORP Game Apparatus Patent |
| 1930 OHLSON Ball Game Apparatus Patent Print Art |
| 1930 MANN CHAUNCEY Game Apparatus Patent Print |
| 1930 JOHN MCCULLOUGH Game Apparatus Patent Print |
| 1930 SIMMONS Baseball Game And Apparatus Patent |
| 1930 ANDERSON WINTER Game Apparatus Patent Print |
| 1930 RALPH HOGE Game Apparatus Patent Print Art |
| 1930 BARRETT Game And Game Apparatus Patent |
| 1930 BERNARR Golf Game Apparatus Patent Print |
| 1930 SCHWARTZ Game Signaling Apparatus Patent |
| 1930 BENTON Educational Game Apparatus Patent |
| 1930 UCHIYAMA EDWARD Game Apparatus Patent Print |
| 1930 LECROY THOMAS Game Apparatus Patent Print |
| 1930 HUGGINS FRANK Game Apparatus Patent Print |
| 1930 YOUNG FRANK Game Apparatus Patent Print Art |
| 1930 JOHNSON ELMER Game Apparatus Patent Print |
| 1930 ELIZABETH B HOLMES Game Apparatus Patent |
| 1930 ELLIOTT LLOYD Game Apparatus Patent Print |
| 1930 SALTER VERNON Game Apparatus Patent Print |
| 1930 SOUBIER LEONARD Game Apparatus Patent Print |