Pocket Watch Database
Patent Archive
#1536647
Patent Information
Clock Calendar Automatic
Amandus Andresen
May 5, 1925
Patent #1536647
Patent Number: | 1536647 |
Description: | Clock Calendar Automatic |
Inventor(s): | Amandus Andresen |
Patent Date: | May 5, 1925 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |