Pocket Watch Database
Patent Archive
#406364
Patent Information
Watch Anti Magnetic
Charles T. Mason
July 2, 1889
Patent #406364
| Manufacturer: | Waltham |
| Patent Number: | 406364 |
| Description: | Watch Anti Magnetic |
| Inventor(s): | Charles T. Mason |
| Assignee: | American Waltham Watch Co |
| Patent Date: | Jul 2, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
