Pocket Watch Database
Patent Archive
#512217
Patent Information
Clock Electric Call
Purdy M. Randall
January 2, 1894
Patent #512217
Patent Number: | 512217 |
Description: | Clock Electric Call |
Inventor(s): | Purdy M. Randall |
Assignee: | Herbert Charles A |
Patent Date: | Jan 2, 1894 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |