Improvements in surge diverters, lightning arresters and the like
GB896996A
Improvements in high voltage electric fuses
GB942451A
Improvements in surge diverters or lightning arresters
GB908240A
Improvements in spark gap devices
GB894537A
Improvements in spark gap devices
GB886495A
Improvements in electric fuses
GB853032A
Improvements in high voltage electric fuses
US2989608A
Electrical protective equipment
GB859378A
Improvements in electric protective equipment
ES220963A1
Improvements introduced in the elements of non-linear resistance for protection against rays and sudden elevations of electrical tension (Machine-translation by Google Translate, not legally binding)
ES220593A1
Improvements introduced in the electric circuit breaks (Machine-translation by Google Translate, not legally binding)
GB783098A
Improvements in electric surge and lightning arresters
GB782902A
Improvements in lightning arresters for electric power lines
