Pocket Watch Database
Patent Archive
#772106
Patent Information
Balance Spring Stud
Richard Lange
October 11, 1904
Patent #772106
Patent Number: | 772106 |
Description: | Balance Spring Stud |
Inventor(s): | Richard Lange |
Patent Date: | Oct 11, 1904 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |