Pocket Watch Database
Patent Archive
#238203
Patent Information
Watch Chronograph
Jean Samuel Aubert
March 1, 1881
Patent #238203
| Patent Number: | 238203 |
| Description: | Watch Chronograph |
| Inventor(s): | Jean Samuel Aubert |
| Patent Date: | Mar 1, 1881 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
