Stanislaw A. Milianowicz

Circuit interrupter having improved operating mechanism

Electrical junction of high conductivity for a circuit breaker or other electrical apparatus

Circuit interrupter with undervoltage trip mechanism

Multiple-impact shock absorbing means for circuit interrupter and other apparatus

Drawout switchgear with improved levering-in mechanism and interlock

Vacuum circuit interrupter having heat exchanger for temperature control

Puffer piston gas blast circuit interrupter with insulating nozzle member

Gas-blast circuit breaker having dual piston means providing double-acting puffer arrangement

Quick-acting movable operating-column tripping device

Single barrel puffer circuit interrupter