|
US938216A
|
|
Messenger-hanger.
|
|
US919323A
|
|
Tool for twisting wire-joints.
|
|
US996335A
|
|
Fire-protection device.
|
|
US997924A
|
|
Thermo-electric circuit-breaker.
|
|
US1036723A
|
|
Electrical-circuit protector.
|
|
US857751A
|
|
Land-anchor.
|
|
US842738A
|
|
Fuse-mount.
|
|
US835268A
|
|
Distributing-board.
|
|
US849159A
|
|
Fuse-clip.
|
|
US955806A
|
|
Substation protector unit.
|
|
US825587A
|
|
Anchor.
|
|
US886374A
|
|
Heat-coil and protector unit.
|
|
US838066A
|
|
Electrical protective device.
|
|
US878816A
|
|
Sleeve for joining wire ends.
|
|
US793802A
|
|
Electric protective apparatus.
|
|
US883665A
|
|
Combined police-call, fire-alarm, and watchman's box.
|
|
US946257A
|
|
Automatically-released alarm-box for fire-extinguisher systems.
|
|
US904486A
|
|
Protective apparatus for switchboards and the like.
|
|
US939292A
|
|
Test for fire-alarm apparatus.
|
|
US846502A
|
|
Fire-alarm system.
|
