Pocket Watch Database
Patent Archive
#427653
Patent Information
Watch Rotary Dial
Heinrich Albert
May 13, 1890
Patent #427653
| Patent Number: | 427653 |
| Description: | Watch Rotary Dial |
| Inventor(s): | Heinrich Albert |
| Patent Date: | May 13, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
