Pocket Watch Database
Patent Archive
#172720
Patent Information
Watch Case Center Die
Frederic Ecaubert
January 25, 1876
Patent #172720
Patent Number: | 172720 |
Description: | Watch Case Center Die |
Inventor(s): | Frederic Ecaubert |
Patent Date: | Jan 25, 1876 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |