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Patents > Year filed: 1913 & Office : DK or FR & Inventor country : AH or BE or US & Applicant firm : Rumpler-Werke G.m.b.H. in Berlin-Johannisthal or Société des Avions Louis Bréguet or None

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Joseph Allison Steinmetz (3) · Alexander Blair Thaw (2) · Alfred John Macy (2) · Joseph de Pierpont de Burnot (2)
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Joseph Allison Steinmetz (3) · Alexander Blair Thaw (2) · Alfred John Macy (2) · Joseph de Pierpont de Burnot (2)
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None (4)
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