Pocket Watch Database
Patent Archive
#429033
Patent Information
Watch Demagnetize
Ferdinand F. Ide
May 27, 1890
Patent #429033
| Patent Number: | 429033 |
| Description: | Watch Demagnetize |
| Inventor(s): | Ferdinand F. Ide |
| Patent Date: | May 27, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
