Drilldown: Patents

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Patents > Office : ?? or AH or AU or BE or CH or NZ & Applicant type : COMPANY or FIRM or None

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Office: (Click arrow to add another value)
Inventors:
None (23) · Armand Dufaux (4) · Henri Dufaux (4) · Thomas Augustus Dring (3) · William Whitney Christmas (2) · William Wallace Gibson (2) · W. L. Hamilton (2) · Charles de Coster (2) · David William Hanbury (2)
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Applicant is inventor:
Tech fields:
airplane (35) · frame (22) · propeller (14) · propulsion (13) · None (13) · design (12) · stability (10) · whole (9) · navigation (7) · LTA (7) · helicopter (7)
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Cites these patents:
Citations from after 1930:
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Showing below up to 84 results in range #1 to #84.

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