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Patents > Filing date: 1912 & CPCs: CPC B64C17/00

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Arthur George Watkins (3) · Robert Esnault-Pelterie (2) · Ernest Gérard (2) · Louis-Adolphe Hayot (2) · Édouard Baril (2) · David James Beitzel (2) · Louis Frederick Bancroft (2) · Newton Booth Converse (2) · Gaston-Marie-Eugène Balignant (2) · George Brougham Hubert Austin (2) · Marcel Linzeler (2) · Marianne Burkhardt (2) · Roger Chechère (2) · Jean-François Arnaud (2) · Albéric de la Celle (2) · Walter Borchardt (2) · Alexander Blair Thaw (2)
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Arthur George Watkins (3) · David James Beitzel (3) · Robert Esnault-Pelterie (2) · Marianne Burkhardt (2) · Louis-Adolphe Hayot (2) · Louis Frederick Bancroft (2) · Newton Booth Converse (2) · Gaston-Marie-Eugène Balignant (2) · George Brougham Hubert Austin (2) · Marcel Linzeler (2) · Édouard Baril (2) · Roger Chechère (2) · Albéric de la Celle (2) · Walter Borchardt (2) · Jean-François Arnaud (2) · Ernest Gérard (2) · Alexander Blair Thaw (2)
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None (26) · None (8) · J. Bonnet-Thirion (5) · Armengaud jeune (4) · Marks & Clerk (4) · Societe A. Frey et de Carsalade (3) · Hippolyte Josse (2) · Émile Bert (2) · J. Fayollet (2) · E. E. Vrooman (2) · Dupont et Elluin (2) · H. Bœttcher fils (2) · Abel & Imray (2) · A. M. & William Clark (2) · V. Matray (2)
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