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Patents > Office : CA or ES & Number of text pages: None

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None (12) · Leonardo Torres Quevedo (7) · Comte Antoine Apraxine (5) · Wilbur Wright (4) · Orville Wright (4) · Antoine-Padoue Filippi (3) · Louis Constantin (3) · Charles Denniston Burney (3) · August Wendtland (3) · Hermann Ruthenberg (3)
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None (61) · Leonardo Torres Quevedo (4) · Antoine-Padoue Filippi (3) · Louis Constantin (3) · Charles Denniston Burney (3) · Comte Antoine Apraxine (3)
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Supplementary to patent:
None (76) · Patent BE-1910-Hervieu-hangar (2) · Patent GB-1911-29012 (2) · Patent DE-1907-194166 (2) · Patent BE-1913-253298 (2) · Patent ES-1911-50435 (2) · Patent HU-1901-24148 (2)
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