Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Office : DE or HU or MX & Inventor country : DE or RU & Applicant is inventor : Yes or None & Related to aircraft : No or Yes & CPCs: None

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Propulsion (12) · LTA (12) · Design (10) · Airship (10) · Subsystem (8) · propellers (8) · Construction (6) · Balloons (6) · Whole (5) · Frame (5) · None (4) · Airplane (4) · propeller (3) · ascension (3) · Aerodynamics (3)
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Showing below up to 46 results in range #1 to #46.

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