| 2634979 | Bowling pin respotter | |||
| 2621961 | Pin setting apparatus for bowling machines | |||
| 2616693 | Bowling pin pickup apparatus | |||
| 2595988 | Pin-resetting mechanism | |||
| 2583052 | Bowling pin respotter | |||
| 2530385 | Bowling pin raising and lowering mechanism | |||
| 2445688 | Pin spotter carriage for pin setting apparatus | |||
| 2364897 | Hoist grapple | |||
| 2300802 | Bowling pin setting apparatus | |||
| 2215844 | Material handling device | |||
| 1213574 | N/A | |||
| 0729939 | N/A |
| GB206278A |