Pocket Watch Database
Patent Archive
#135248
Patent Information
Watch Balance Attach Hair Spring
Jacob Shaw
January 28, 1873
Patent #135248
| Patent Number: | 135248 |
| Description: | Watch Balance Attach Hair Spring |
| Inventor(s): | Jacob Shaw |
| Patent Date: | Jan 28, 1873 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
