Pocket Watch Database
Patent Archive
#297020
Patent Information
Clock Wind Automatic
Nathan Silberberg
April 15, 1884
Patent #297020
Patent Number: | 297020 |
Description: | Clock Wind Automatic |
Inventor(s): | Nathan Silberberg |
Patent Date: | Apr 15, 1884 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |