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Patents > Inventor country : ES or None & Related to aircraft : 0? or Yes & First filing: None

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Tech fields:
None (1274) · LTA (69) · navigation (56) · balloon (52) · Propulsion (45) · Airplane (14) · Whole (11) · balloons (10) · frame (9) · subsystem (7) · Dirigible (7) · Aerial Navigation* (7) · rudder (6) · ascension (6) · compartments (5) · stability (5) · military (5)
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Patent agent:
None (1462) · Desnos (7) · Blétry aîné (5) · Dieuaide (5) · Nauhardt (2) · Mennons jeune (2) · la Société Internationale des Inventions modernes, boul. Saint-Denis, 15 bis Paris (2) · Josse (2) · J.H. Johnson (2) · Dumas (2) · Digeon (2) · Fayollet (2) · Chassevent (2) · Caron (2) · Armengaud jeune (2) · Bardin (2)
National tech categories:
None (1225) · FR 6.3 (74) · USPC 244/139 (17) · USPC 244/147 (16) · USPC 244/142 (15) · USPC 244/153R (12) · GB 4 with buoyant (10) · USPC 244/53A (9) · USPC 244/149 (8) · USPC 244/144 (6) · USPC 244/3.1 (5) · USPC 244/65 (5) · USPC 244/138R (5) · GB 4 propel & steer (4) · FR 6.4 (4) · USPC 244/3.14 (4) · USPC 244/143 (4)
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