Drilldown: Patents

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Patents > Office : CA or CH & Number of diagram pages: 3-8

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Office: (Click arrow to add another value)
Inventors:
De Bert Hartley (2) · George Sutherland Dodman (2)
Inventor country:
Applicant person:
None (6) · George Sutherland Dodman (2) · De Bert Hartley (2)
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Applicant is inventor:
Tech fields:
airplane (14) · frame (12) · LTA (11) · navigation (10) · propulsion (9) · None (8) · design (8) · stability (8) · propeller (8) · rudder (7) · wings (6) · compartments (5) · HTA (5) · Airship (4) · propellers (4) · whole (4) · military (4) · gyroscope (4) · Construction (4)
Full specification filed date:
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Related to aircraft:
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Citations from after 1930:
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