Pocket Watch Database
Patent Archive
#439629
Patent Information
Watch Balance Staff
Morris Botkowsky
Sam Botkowsky
November 4, 1890
Patent #439629
| Patent Number: | 439629 |
| Description: | Watch Balance Staff |
| Inventor(s): |
Morris Botkowsky Sam Botkowsky |
| Patent Date: | Nov 4, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
