Pocket Watch Database
Patent Archive
#568670
Patent Information
Coiled Spring
Laurence Erikson
September 29, 1896
Patent #568670
| Patent Number: | 568670 |
| Description: | Coiled Spring |
| Inventor(s): | Laurence Erikson |
| Patent Date: | Sep 29, 1896 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
