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Patents > Year filed: 1911 & Grant date: 1912 & CPCs: None

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None (4) · Rupert John Isaacson (2) · Franz Adam (2) · Romeo Wankmüller (2) · Rudolf Stamkort (2) · Hermann Hassenbach (2) · Severin Schneider (2)
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subsystem (16) · airplane (13) · design (9) · Construction (7) · Frame (6) · suspension (6) · Propellers (5) · propulsion (5) · LTA (5) · None (4) · wings (4) · airship (4) · propeller (3) · nacelle (3) · whole (3) · aerodynamics (3) · automatic stability (3) · landing (3) · stability (3) · instrument (3)
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