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Patents > CPCs : CPC B64C11/48 or CPC B64C2700/6281 & Number of figures: 1-6

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Office:
Inventors:
Désiré Sival (3) · None (2) · Peter Pitcairn Carmichael (2) · Jesse James Dillon (2) · Johann Stumpf (2) · Edwin Richard Mumford (2) · Édouard-Jean Bigourdan (2) · Lucile Marcel (2) · Charles Wolf (2) · Edmond-Louis Douhéret (2) · Alexis Beurrier (2)
Inventor country:
Applicant person:
None (5) · Désiré Sival (3) · Peter Pitcairn Carmichael (2) · Jesse James Dillon (2) · Edwin Richard Mumford (2) · Édouard-Jean Bigourdan (2) · Charles Wolf (2) · Edmond-Louis Douhéret (2) · Alexis Beurrier (2)
Applicant is inventor:
Tech fields:
helicopter (30) · propeller (18) · None (17) · propulsion (16) · propellers (13) · airplane (10) · hybrid (9) · design (7) · stability (6) · ascension (6) · lift (5) · churn (5) · frame (5) · marine (4) · wings (4) · construction (4)
Full specification filed date:
Application number:
None (25)
Granted:
Related to aircraft:
Patent agent:
None (23) · Munn & Co. (4) · None (4) · J. S. Withers & Spooner (3) · J. Germain (3) · G. de Mestral et F. Harlé (2) · Marks & Clerk (2) · Hippolyte Josse (2) · G. Petiau (2) · G. F. Redfern & Co. (2) · Lavoix et Mosès (2) · C. A. Snow & Co. (2) · Y. Rabilloud et fils (2) · Brandon frères (2) · C. Blétry (2)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
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