Pocket Watch Database
Patent Archive
#878076
Patent Information
Clock Or Watch Safety Main Spring
Julius Lichtenstein
February 4, 1908
Patent #878076
Patent Number: | 878076 |
Description: | Clock Or Watch Safety Main Spring |
Inventor(s): | Julius Lichtenstein |
Patent Date: | Feb 4, 1908 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |