Pocket Watch Database
Patent Archive
#402032
Patent Information
Watch Balance Compensation
Augustus F. Pickert
April 23, 1889
Patent #402032
Patent Number: | 402032 |
Description: | Watch Balance Compensation |
Inventor(s): | Augustus F. Pickert |
Patent Date: | Apr 23, 1889 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |