Drilldown: Patents

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Patents > Inventor country : BE or GB & Supplementary to patent : Patent DE-1897-112506 or None & National tech categories : BE K or DE 77h or USPC 244/3.23 or USPC 244/45R & Family year: 1910 - 1919 & Cites these patents : Patent GB-1909-3202 or None & Number of claims: None

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airplane (21) · design (12) · wings (6) · stability (6) · propulsion (6) · propellers (6) · construction (5) · control (5) · Aerodynamics (5) · sustentation (4) · lift (3) · motors (3) · instrument (3) · hybrid (3) · steering (3) · ascension (3) · helicopter (3)
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Showing below up to 39 results in range #1 to #39.

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