Pocket Watch Database
Patent Archive
#2706381
Patent Information
Hair Spring And Balance Arm Assembly
Bruce E. Wolfe
April 19, 1955
Patent #2706381
Manufacturer: | Hamilton |
Patent Number: | 2706381 |
Description: | Hair Spring And Balance Arm Assembly |
Inventor(s): | Bruce E. Wolfe |
Assignee: | Hamilton Watch Co |
Patent Date: | Apr 19, 1955 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |