Pocket Watch Database
Patent Archive
#37714
Patent Information
Watch Main Spring Barrel
E. R. Wait
J. Willard Phelps
February 17, 1863
Patent #37714
Patent Number: | 37714 |
Description: | Watch Main Spring Barrel |
Inventor(s): |
E. R. Wait J. Willard Phelps |
Patent Date: | Feb 17, 1863 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |