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Patents > CPCs : CPC B64C11/48 or CPC B64C2700/6281 & Number of text pages: 1-2

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Office:
Inventors:
Désiré Sival (3) · Johann Stumpf (2) · Paul Cornu (2) · Edmond-Louis Douhéret (2) · Lucile Marcel (2) · Jules Cornu (2)
Inventor country:
Applicant person:
None (4) · Désiré Sival (3) · Paul Cornu (2) · Edmond-Louis Douhéret (2) · Jules Cornu (2)
Applicant is inventor:
Tech fields:
None (24) · propeller (15) · Helicopter (12) · propulsion (10) · propellers (10) · Churn (7) · marine propeller (4) · Airplane (3) · marine (3) · Ascension (2) · aerial propellers (2) · churns (2) · marine propulsion (2) · impeller (2) · Airship (2)
Full specification filed date:
Application number:
None (26)
Granted:
Related to aircraft:
Patent agent:
None (21) · None (5) · Munn & Co. (5) · J. Germain (3) · G. F. Redfern & Co. (2) · Schwab (2) · Richardson (2) · Y. Rabilloud et fils (2) · C. Blétry (2)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
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