Drilldown: Patents

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Patents > Office : DE or FR or IN or SE & Applicant is inventor : No or Yes & National tech categories: None & CPCs : CPC B64C3/385 or None & Number of figures: None

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Tech fields:
None (244) · LTA (137) · navigation (102) · balloon (72) · Propulsion (54) · Airplane (29) · balloons (21) · propellers (16) · instrument (14) · aerostat (13) · marine (11) · stability (10) · dirigible (9) · construction (9) · Aerial Navigation* (8) · steering (8) · airship (8) · control (7) · hybrid (7)
Full specification filed date:
Application number:
None (589)
Granted:
Supplementary to patent:
None (621) · Patent FR-1880-139386 (2)
Related to aircraft:
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