Pocket Watch Database
Patent Archive
#489790
Patent Information
Watch Balance Non Magnetic
Charles F. Carpenter
January 10, 1893
Patent #489790
| Patent Number: | 489790 |
| Description: | Watch Balance Non Magnetic |
| Inventor(s): | Charles F. Carpenter |
| Patent Date: | Jan 10, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
