Stotz 's invention was the forerunner of the modern thermal - magnetic breaker commonly used in household load centers to this day .
Hugo Stotz , an engineer who had sold his company to BBC , was credited as the inventor on DRP ( Deutsches Reichspatent ) 458392 .
engineer 's invention was the forerunner of the modern thermal - magnetic breaker commonly used in household load centers to this day .
Hugo Stotz , an engineer who had sold his company to BBC , was credited as the inventor on DRP ( Deutsches Reichspatent ) 458392 .