Drilldown: Patents

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Patents > Year filed: 1909 & Related to aircraft: None & Family year: 1909

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Year filed:
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Inventors:
None (3) · Herbert Wilfred Holt (2)
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Applicant person:
None (7)
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Applicant is inventor:
Tech fields:
None (24) · Airplane (7) · frame (7) · stability (5) · LTA (4) · balloon (4) · Design (4) · safety (3) · rudder (3) · navigation (3) · propeller (3) · Aerodynamics (3) · propulsion (3) · Wings (2) · propellers (2) · airfoil (2) · Construction (2) · car (2)
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None (7)
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Family year:
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Citations from after 1930:
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Showing below up to 51 results in range #1 to #51.

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