Pocket Watch Database
Patent Archive
#311797
Patent Information
Watch Balance
Johann Ernest Adolph Uhrig
February 3, 1885
Patent #311797
Patent Number: | 311797 |
Description: | Watch Balance |
Inventor(s): | Johann Ernest Adolph Uhrig |
Patent Date: | Feb 3, 1885 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |