Drilldown: Patents

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Patents > Year filed: 1907 & Office : AT or BE & Applicant is inventor: Yes & Related to aircraft : 1 or Yes & National tech categories : BE K or DE 77h.5

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Airplane (24) · LTA (10) · design (8) · Propulsion (6) · sustentation (5) · Propellers (4) · Hybrid (4) · HTA (3) · wings (3) · frame (3) · Rarefaction (3) · stability (3) · ascension (3)
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Showing below up to 43 results in range #1 to #43.

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