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Patent Archive
#D99090
Patent Information
Clock Case Electric Hygrometer & Thermometer
Gustavus C. Kuehn
March 24, 1936
Patent #D99090
| Patent Number: | D99090 |
| Description: | Clock Case Electric Hygrometer & Thermometer |
| Inventor(s): | Gustavus C. Kuehn |
| Patent Date: | Mar 24, 1936 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
