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Patents > Patent agent : Dicker, Pollak & Derriman or Haseltine, Lake & Co. & Number of claims: 3

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Airplane (9) · LTA (7) · Construction (5) · stability (5) · navigation (4) · balloon (4) · frame (4) · design (4) · military (3) · airship (3) · wings (3) · control (3) · automatic stability (2) · instrument (2) · propellers (2) · ballonet (2) · compartments (2) · suspension (2) · envelope (2) · Dirigibles (2)
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