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Patents > Applicant is inventor: Yes & Filing date: June 1909 & Number of text pages: 3-11

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Hermann Ruthenberg (3) · Johann Schütte (3) · Martin Diederich Rucker (2) · Arthur Henry Edwards (2)
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Tech fields:
Airplane (15) · propeller (11) · frame (11) · stability (8) · Propulsion (8) · Design (7) · rudder (6) · navigation (6) · LTA (6) · None (5) · Propellers (5) · control (4) · helicopter (4) · Wings (4) · airship (4) · Aerodynamics (4) · automatic stability (4)
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