Drilldown: Patents

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Patents > Applicant person : Antoine-Padoue Filippi or Nazaire Lacrotte or Peter Cooper Hewitt or None & Related to aircraft: 1 & National tech categories : USPC 244/30 or None & First filing : Yes or None & Citations from after 1930: None & Number of claims: 4-8

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frame (11) · airplane (8) · propeller (7) · propulsion (7) · LTA (6) · navigation (6) · balloon (4) · design (4) · stability (3) · instrument (3) · fuselage (3) · marine (3)
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