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:  PDF