| 2434096 | Shockproof electromagnet with armature | |||
| 2411894 | Arc extinguishing chamber for circuit breakers | |||
| 2400344 | Electromagnet | |||
| 2378022 | Electric switch | |||
| 2352765 | Electric switch | |||
| 2304972 | Electric switch | |||
| 2283795 | Electric switch construction | |||
| 2271601 | Extended bed for tall men | |||
| 2233124 | Electric contact | |||
| 2208387 | Switching device | |||
| 2143650 | Electrical contact means | |||
| 2071149 | Electric switch | |||
| 2039957 | Electric switch device | |||
| 1839095 | Detachable contact | |||
| 1559683 | Electric switch | |||
| 1172934 | N/A |
| DE441711C |