Pocket Watch Database
Patent Archive
#490185
Patent Information
Sun Dial Portable
Charles Edouard Chamberland
January 17, 1893
Patent #490185
Patent Number: | 490185 |
Description: | Sun Dial Portable |
Inventor(s): | Charles Edouard Chamberland |
Patent Date: | Jan 17, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |