Pocket Watch Database
Patent Archive
#1161887
Patent Information
Tool Watch Main Spring Winder
Albert F. Robbins
November 30, 1915
Patent #1161887
| Patent Number: | 1161887 |
| Description: | Tool Watch Main Spring Winder |
| Inventor(s): | Albert F. Robbins |
| Patent Date: | Nov 30, 1915 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
