Pocket Watch Database
Patent Archive
#309000
Patent Information
Clock Synch Electric Apparatus Set
John E. Smith
December 9, 1884
Patent #309000
Patent Number: | 309000 |
Description: | Clock Synch Electric Apparatus Set |
Inventor(s): | John E. Smith |
Assignee: | Gold & Stock Telegraph Co |
Patent Date: | Dec 9, 1884 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |