Pocket Watch Database
Patent Archive
#490708
Patent Information
Watch Balance Staff Protector
George N. Einsele
January 31, 1893
Patent #490708
| Patent Number: | 490708 |
| Description: | Watch Balance Staff Protector |
| Inventor(s): | George N. Einsele |
| Patent Date: | Jan 31, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
