Pocket Watch Database
Patent Archive
#740433
Patent Information
Night Light
Friedrich Hirth
October 6, 1903
Patent #740433
| Patent Number: | 740433 |
| Description: | Night Light |
| Inventor(s): | Friedrich Hirth |
| Patent Date: | Oct 6, 1903 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
