Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Number of text pages: 10-50 & Number of claims: 30-110

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airplane (6) · None (4) · navigation (4) · stability (4) · frame (4) · design (4) · fuselage (3) · construction (3) · whole (2) · adjudicated (2) · electricity (2) · HTA (2) · compass (2) · gyro-compass (2) · gyroscope (2)
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