|
US2110968A
|
|
Electrical connection block
|
|
US2110969A
|
|
Electrical terminal
|
|
US2047936A
|
|
Means for sealing closures of electrical devices
|
|
US1879654A
|
|
Teapot
|
|
US1824115A
|
|
Safety means for electric circuits
|
|
US1824114A
|
|
Thermostat
|
|
US1747217A
|
|
Electric-meter connection
|
|
US1758924A
|
|
Bolt anchor
|
|
US1725049A
|
|
Testing switch
|
|
US1709055A
|
|
Synchronous motor
|
|
US1680849A
|
|
Electric-meter-testing apparatus
|
|
US1579502A
|
|
Life preserver
|
|
US1547782A
|
|
Coupling transformer
|
|
US1655492A
|
|
Kilovolt-ampere demand meter
|
|
US1485013A
|
|
Means for indicating load conditions of transformers
|
|
US1192844A
|
|
Meter-testing block.
|
|
US1175222A
|
|
Phase-modifying apparatus.
|
|
US1159354A
|
|
Electrical testing apparatus.
|
|
US950714A
|
|
Electrical testing apparatus.
|
|
US955126A
|
|
Electrical distributing-board.
|
