Pocket Watch Database
Patent Archive
#478615
Patent Information
Tool Watch Case Open
Frank E. Lindahl
July 12, 1892
Patent #478615
| Patent Number: | 478615 |
| Description: | Tool Watch Case Open |
| Inventor(s): | Frank E. Lindahl |
| Patent Date: | Jul 12, 1892 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
