Drilldown: Patents

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Patents > Office : AT or DE or MX & Inventor country : AT or DE & Publication date: 1900 - 1909 & Supplementary to patent: None & National tech categories : AT 37c or DE 77h or FR 6.4 or USPC 244/90R or None

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LTA (10) · propulsion (7) · whole (7) · propeller (6) · subsystem (5) · frame (4) · kite (3) · hybrid (3) · gas (3) · Wings (3) · valve (3) · balloon (3) · toy (2) · fun (2) · method (2) · parachute (2) · stability (2) · car (2) · flapping (2)
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Showing below up to 32 results in range #1 to #32.

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