Drilldown: Patents

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Patents > Granted: Yes & National tech categories: HU V/h & Number of text pages: 4-20

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Office:
Inventors:
None (7) · Adolphe-François-Joseph Doutre (2)
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Applicant person:
None (8) · Adolphe-François-Joseph Doutre (2)
Applicant is inventor:
Tech fields:
Airplane (36) · Design (23) · Whole (15) · Propellers (14) · stability (14) · Frame (12) · subsystem (12) · Construction (11) · automatic stability (10) · wings (9) · Propulsion (8) · Aerodynamics (8) · equilibrium (7) · Control (6) · Lift (5) · airship (5) · motors (5) · Biplane (4)
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None (6)
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Assigned to:
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Citations from after 1930:
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Showing below up to 63 results in range #1 to #63.

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