Pocket Watch Database
Patent Archive
#480577
Patent Information
Clock Synch
William F. Gardner
August 9, 1892
Patent #480577
Patent Number: | 480577 |
Description: | Clock Synch |
Inventor(s): | William F. Gardner |
Patent Date: | Aug 9, 1892 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |