Pocket Watch Database
Patent Archive
#323852
Patent Information
Watch Plate
Sewall T. J. Byam
August 4, 1885
Patent #323852
Patent Number: | 323852 |
Description: | Watch Plate |
Inventor(s): | Sewall T. J. Byam |
Patent Date: | Aug 4, 1885 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |