Pocket Watch Database
Patent Archive
#452299
Patent Information
Clock Synch
Arthur G. Wiseman
May 12, 1891
Patent #452299
Patent Number: | 452299 |
Description: | Clock Synch |
Inventor(s): | Arthur G. Wiseman |
Patent Date: | May 12, 1891 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |