Charles H. Duncan
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Charles H. Duncan was an aero inventor in Manhattan.
Patents whose inventor or applicant is Charles H. Duncan
- Patent US-1910-1004558 (English title: Aeroplane, Filing date: 1910-02-17)
- Patent US-1910-1004559 (English title: Aeroplane, Filing date: 1910-08-23)
References
| Names | Charles H. Duncan |
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| Countries | US |
| Locations | New York City |
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