Pocket Watch Database
Patent Archive
#830627
Patent Information
Watch Railroad Dbl Dial
Thomas H. Watson
September 11, 1906
Patent #830627
| Patent Number: | 830627 |
| Description: | Watch Railroad Dbl Dial |
| Inventor(s): | Thomas H. Watson |
| Patent Date: | Sep 11, 1906 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
