Pocket Watch Database
Patent Archive
#420048
Patent Information
Watch Case Spring
James H. Fleming
January 28, 1890
Patent #420048
| Patent Number: | 420048 |
| Description: | Watch Case Spring |
| Inventor(s): | James H. Fleming |
| Patent Date: | Jan 28, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
