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Patents > Year granted: 1916 & Number of diagram pages: 3-4 & Number of figures: 5-30

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Inventors:
Charles Arthur Wragg (3) · Alfred John Macy (2) · Ruter William Springer (2)
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Charles Arthur Wragg (3) · Alfred John Macy (2) · Ruter William Springer (2)
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Tech fields:
airplane (13) · stability (10) · None (8) · wings (8) · automatic stability (6) · HTA (5) · frame (5) · whole (3) · lift (3) · camber (3) · airfoil (2) · flapping (2) · helicopter (2) · electricity (2) · construction (2) · design (2) · Hybrid (2) · gyroscope (2) · Propellers (2) · ornithopter (2)
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