Pocket Watch Database
Patent Archive
#436629
Patent Information
Watch Balance Staff
S. Botkowsky
M. Botkowsky
November 4, 1890
Patent #436629
| Patent Number: | 436629 |
| Description: | Watch Balance Staff |
| Inventor(s): |
S. Botkowsky M. Botkowsky |
| Patent Date: | Nov 4, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
