Title: Automatic safety cut out for electric circuits
Patent number: 438,590
Date granted: 10/14/1890
Notes: Assigned to Woods Electric Company
View this patent at the USPTO.
Inventor: Granville Woods
Title: Automatic safety cut out for electric circuits
Patent number: 438,590
Date granted: 10/14/1890
Notes: Assigned to Woods Electric Company
View this patent at the USPTO.
Inventor: Granville Woods