|
US1746337A
|
|
Switch
|
|
US1631012A
|
|
Switch
|
|
US1665446A
|
|
Fuse clip
|
|
US1767398A
|
|
Insulator cap
|
|
US1665445A
|
|
Fuse
|
|
US1537750A
|
|
High-tension liquid break switch
|
|
US1592503A
|
|
High-tension switch
|
|
GB217061A
|
|
Improvements in or relating to electric fuses and the like
|
|
GB221239A
|
|
Electric circuit controlling devices
|
|
GB222352A
|
|
Electric circuit controlling device
|
|
US1743322A
|
|
Fuse device and the like
|
|
GB157457A
|
|
Improvements in means for interrupting electric currents, particularly applicable to lightning arresters
|
|
US1575736A
|
|
Protective apparatus
|
|
US1393344A
|
|
Method of and means for switching
|
|
US1254886A
|
|
Cut-out for electric circuits.
|
|
US1401881A
|
|
Protecting device for electric circuits
|
|
US1294621A
|
|
Method of and means for switching current-flow at high potential.
|
|
US1319907A
|
|
Means for extinguishing arcs.
|
|
US1246792A
|
|
Fuse device.
|
|
US1220152A
|
|
Fuse device.
|
