Drilldown: Patents

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Patents > Grant date: 1919 & Number of figures: 14-100

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None (8) · stability (7) · wings (6) · frame (6) · construction (5) · propellers (4) · marine (3) · airplane (2) · LTA (2) · aerial propellers (2) · flying boat (2) · ornithopter (2) · propulsion (2) · hydroaeroplane (2) · spars (2) · structure (2) · longerons (2)
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Showing below up to 38 results in range #1 to #38.

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