Pocket Watch Database
Patent Archive
#434539
Patent Information
Machine Watch Case Center
Frederic Ecaubert
August 19, 1890
Patent #434539
| Patent Number: | 434539 |
| Description: | Machine Watch Case Center |
| Inventor(s): | Frederic Ecaubert |
| Patent Date: | Aug 19, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
