Pocket Watch Database
Patent Archive
#254101
Patent Information
Clock Spring Blank Machine For
Wallace Barnes
February 21, 1882
Patent #254101
| Patent Number: | 254101 |
| Description: | Clock Spring Blank Machine For |
| Inventor(s): | Wallace Barnes |
| Patent Date: | Feb 21, 1882 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
