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Patents > IPCs: None & Number of diagram pages: 2-3 & Number of figures: 11

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Office:
Inventors:
Charles Groombridge (3) · William Alfred South (3) · Philippe Delbert (3) · William George Best (2) · Charles Beck Westerman (2) · William C. Lawson (2) · Edwin Joseph Lester (2) · Henry Kleckler (2) · Francis Alexander Barton (2)
Inventor country:
Applicant person:
None (4) · Charles Groombridge (3) · William Alfred South (3) · William C. Lawson (2) · Charles Beck Westerman (2) · Edwin Joseph Lester (2) · Henry Kleckler (2) · Philippe Delbert (2)
Applicant is inventor:
Tech fields:
airplane (10) · Stability (8) · propulsion (8) · propeller (8) · Design (7) · LTA (7) · None (6) · navigation (6) · frame (6) · Propellers (5) · Wings (5) · Airship (4) · balloon (4) · car (4) · control (3) · automatic stability (3) · Construction (3) · whole (3)
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Related to aircraft:
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Cites these patents:
Citations from after 1930:
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