Pocket Watch Database
Patent Archive
#288496
Patent Information
Clock Electric
Jean Paul Arnold Schaefli
November 13, 1883
Patent #288496
Patent Number: | 288496 |
Description: | Clock Electric |
Inventor(s): | Jean Paul Arnold Schaefli |
Patent Date: | Nov 13, 1883 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |