David Hamilton Coles
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David Hamilton Coles (~1837 – 13 May 1917) was an engineer from Brooklyn, New York.
His obituary names him as "inventor of the Requa-Coles automobile engine";[1] he also patented a sewing machine in the 1870s and had at least one aero patent, for an interesting hybrid airship.
Patents whose inventor or applicant is David Hamilton Coles
- Patent US-1913-1059036 (English title: Airship, Filing date: 1911-01-25)
