Drilldown: Patents

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Patents > National tech categories: None & IPCs : IPC B64C3/00 or IPC B64C31/06 & Number of text pages: 1-2

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None (3) · Arthur Ferguson Pollock (2) · Harold J. Horn (2)
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None (11) · construction (9) · airplane (8) · wings (7) · frame (6) · stays (4) · longerons (2) · kites (2) · kite (2) · compartments (2)
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