Pocket Watch Database
Patent Archive
#1741952
Patent Information
Clock & Watch Center Friction
Wilson E. Porter
December 31, 1929
Patent #1741952
Patent Number: | 1741952 |
Description: | Clock & Watch Center Friction |
Inventor(s): | Wilson E. Porter |
Assignee: | New Haven Clock Co |
Patent Date: | Dec 31, 1929 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |