Pocket Watch Database
Patent Archive
#156227
Patent Information
Watch Balance Cock Die
Eugene L. Manchester
John A. Bolen
October 27, 1874
Patent #156227
Patent Number: | 156227 |
Description: | Watch Balance Cock Die |
Inventor(s): |
Eugene L. Manchester John A. Bolen |
Patent Date: | Oct 27, 1874 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |