Pocket Watch Database
Patent Archive
#39085
Patent Information
Watch Escape Main Spring
Alexander Watkins
June 30, 1863
Patent #39085
Patent Number: | 39085 |
Description: | Watch Escape Main Spring |
Inventor(s): | Alexander Watkins |
Patent Date: | Jun 30, 1863 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |