Pocket Watch Database
Patent Archive
#1091500
Patent Information
Clock Self Wind
Nathan Friedman
March 31, 1914
Patent #1091500
| Patent Number: | 1091500 |
| Description: | Clock Self Wind |
| Inventor(s): | Nathan Friedman |
| Patent Date: | Mar 31, 1914 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
