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Patents > Year filed: 1907 & Tech fields : ballonet or navigation

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Alonzo Perry Bliven (4) · Louis Blériot (4) · Robert Esnault-Pelterie (4) · None (3) · Orville Wright (2) · Wilbur Wright (2) · Roman Pomianowski (2) · G. Berry (2)
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FR 6.4 (11) · IT 8 (5) · None (4) · USPC 244/52 (3) · DE 77h.15 (3) · BE K (3) · USPC 244/30 (3) · DE 77h.2 (2) · FR 6.3 (2) · USPC 244/96 (2) · USPC 244/127 (2) · USPC 244/93 (2)
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