Pocket Watch Database
Patent Archive
#515856
Patent Information
Clock Pendulum
Otto Bartel
March 6, 1894
Patent #515856
Patent Number: | 515856 |
Description: | Clock Pendulum |
Inventor(s): | Otto Bartel |
Patent Date: | Mar 6, 1894 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |