Pocket Watch Database
Patent Archive
#1608241
Patent Information
Calendar Automatic
Herbert Ruff
November 23, 1926
Patent #1608241
| Patent Number: | 1608241 |
| Description: | Calendar Automatic |
| Inventor(s): | Herbert Ruff |
| Patent Date: | Nov 23, 1926 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
