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Patents > Patent agent : G. Petiau or Haseltine, Lake & Co. & Number of claims: 2-3

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airplane (19) · LTA (11) · design (9) · construction (9) · frame (7) · stability (6) · propellers (6) · military (6) · navigation (5) · control (5) · Dirigibles (5) · balloon (5) · suspension (4) · airship (4) · dirigible (3) · instrument (3) · wings (3) · propeller (3) · envelope (3)
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None (6) · CPC F41A19/05 (5) · CPC B64C2700/6295 (5) · CPC B64B1/00 (5) · CPC B64C17/00 (4) · CPC B64C39/00 (4) · CPC B64B1/58 (2)
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