| 1950 KELLER Baseball Game Apparatus Patent Print |
| 1941 KESSLER Baseball Game Apparatus Patent |
| 1950 BENNETT Baseball Practice Apparatus Patent |
| 1925 NOYES Baseball Game Apparatus Patent Print |
| 1930 SIMMONS Baseball Game And Apparatus Patent |
| 1957 BERTLEY Baseball Game Apparatus Patent |
| 1953 SALMI Baseball Practicing Apparatus Patent |
| 1969 PULCIFER Baseball Game Apparatus Patent |
| 1968 MURZYN Baseball Game Apparatus Patent Print |
| 1926 ALBERT Baseball Game Apparatus Patent Print |
| 1927 STEWART Baseball Game Apparatus Patent |
| 1906 KIRBY Baseball Game Apparatus Patent 7254 |
| 1934 HARRISON Baseball Game Apparatus Patent |
| 1927 BABBITT Baseball Game Apparatus Patent |
| 1948 AUGUST Baseball Game Apparatus Patent Print |
| 1952 ABE Baseball Game Apparatus Patent Print |
| 1958 MACHT Baseball Game Apparatus Patent Print |
| 1938 BAILEY Baseball Game Apparatus Patent Print |
| 1939 BARRON Baseball Projecting Apparatus Patent |
| 1928 LIVINGSTON Baseball Game Apparatus Patent |
| 1942 BOCK Baseball Game Apparatus Patent Print |
| 1957 HAROLD Baseball Card Game Apparatus Patent |
| 1956 HAAS Baseball Sewing Apparatus Patent Print |