Pocket Watch Database
Patent Archive
#594410
Patent Information
Clock Geographical
Hirsh Margolis
November 30, 1897
Patent #594410
| Patent Number: | 594410 |
| Description: | Clock Geographical |
| Inventor(s): | Hirsh Margolis |
| Patent Date: | Nov 30, 1897 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
