Pocket Watch Database
Patent Archive
#325973
Patent Information
Tool Main Spring Wind
Albert F. Robbins
September 8, 1885
Patent #325973
| Patent Number: | 325973 |
| Description: | Tool Main Spring Wind |
| Inventor(s): | Albert F. Robbins |
| Patent Date: | Sep 8, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
