Pocket Watch Database
Patent Archive
#1454473
Patent Information
Chronometer Compensate Balance
Charles Edouard Guillaume
May 8, 1923
Patent #1454473
Manufacturer: | Hamilton |
Patent Number: | 1454473 |
Description: | Chronometer Compensate Balance |
Inventor(s): | Charles Edouard Guillaume |
Assignee: | Societe Des Fabriques De Spira |
Patent Date: | May 8, 1923 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |