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Patents > Year granted: 1910 - 1919 & Office : DE or HU or LU & Inventor country: US

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airplane (12) · Whole (7) · navigation (5) · instrument (5) · None (4) · design (4) · frame (3) · subsystem (3) · compass (3) · piloting (3) · gyroscope (3) · safety (2) · LTA (2) · ICE (2) · wings (2) · engine (2) · electricity (2) · flapping (2)
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Showing below up to 39 results in range #1 to #39.

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