Pocket Watch Database
Patent Archive
#434137
Patent Information
Geographical Time Indicate
Emil Plechawski
August 12, 1890
Patent #434137
| Patent Number: | 434137 |
| Description: | Geographical Time Indicate |
| Inventor(s): | Emil Plechawski |
| Patent Date: | Aug 12, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
