Drilldown: Patents

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Patents > Year granted: 1904 & Supplementary to patent: None & Number of claims: 4-90

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None (5) · frame (5) · LTA (5) · propeller (4) · Airplane (4) · navigation (3) · propulsion (3) · balloon (2) · whirling arm (2) · construction (2) · dirigible (2) · experiment (2) · torpedo (2) · hybrid (2)
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