Pocket Watch Database
Patent Archive
#1106206
Patent Information
Watch Balance Spring
Charles Edouard Guillaume
August 4, 1914
Patent #1106206
| Patent Number: | 1106206 |
| Description: | Watch Balance Spring |
| Inventor(s): | Charles Edouard Guillaume |
| Assignee: | Societe Des Favriques Se Spira |
| Patent Date: | Aug 4, 1914 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
