Pocket Watch Database
Patent Archive
#386308
Patent Information
Watch Case Spring
Numa J. Felix
July 17, 1888
Patent #386308
| Patent Number: | 386308 |
| Description: | Watch Case Spring |
| Inventor(s): | Numa J. Felix |
| Patent Date: | Jul 17, 1888 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
