Pocket Watch Database
Patent Archive
#328848
Patent Information
Watch Device For Test Balance Wheel
Ferdinand F. Ide
October 20, 1885
Patent #328848
Patent Number: | 328848 |
Description: | Watch Device For Test Balance Wheel |
Inventor(s): | Ferdinand F. Ide |
Patent Date: | Oct 20, 1885 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |