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Patent Archive
#911401
Patent Information
Luminous Substance For Indicate
Arthur Junghans
February 2, 1909
Patent #911401
| Patent Number: | 911401 |
| Description: | Luminous Substance For Indicate |
| Inventor(s): | Arthur Junghans |
| Patent Date: | Feb 2, 1909 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
