| 1892854 | Electric circuit controlling appliance | |||
| 1894543 | Electric switch | |||
| 2050378 | Switchboard | |||
| 2168747 | Electric switch | |||
| 2178600 | Safety switch | |||
| 2216298 | Enclosed switch | |||
| 2263760 | Enclosed circuit breaker | |||
| 2394090 | Electric switch | |||
| 2467307 | Enclosed safety switch | |||
| 2468235 | Electric switch unit | |||
| 2515449 | Snap operating means for actuating detachable switches |