| 2062166 | Game apparatus | |||
| 2109678 | Contact switch for ball rolling games | |||
| 2127261 | Game apparatus | |||
| 2132912 | Electrically controlled race track indicator board | |||
| 2136060 | Game apparatus | |||
| 2145846 | Game device | |||
| 2211617 | Game apparatus | |||
| 2237746 | Automatic game device | |||
| 2245020 | Ball operated switch | |||
| 2330771 | Contact switch for ball rolling games |