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Patents > National tech categories : FR 5 or USPC 244/153R or USPC 244/30 or USPC 244/80

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Office:
Inventor country:
Applicant is inventor:
Tech fields:
LTA (108) · navigation (70) · None (59) · balloon (52) · kite (48) · stability (44) · frame (41) · Propulsion (36) · airplane (23) · propeller (21) · car (16) · safety (13) · rudder (12) · aerostat (12) · automatic stability (11) · parachute (10) · hybrid (9) · dirigible (8) · marine (8)
Application number:
None (238)
Granted:
Related to aircraft:
Patent agent:
None (222) · Victor J. Evans (8) · Munn & Co. (8) · Jules Mathieu (6) · Édouard Baral (4) · Lafond (3) · Armand Ricordeau (2) · Edgar Tate & Co. (2) · Just Feuillat (2) · Knight & Co. (2) · Léopold D’Aubreville (2) · None (2)
National tech categories: (Click arrow to add another value)
First filing:
Citations from after 1930:

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