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Patents > Number of text pages: 6 & Number of figures: 10-13

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Office:
Inventors:
Edmund Sparmann (4) · None (3) · Everard Richard Calthrop‎‎ (2) · Reinhold Schmiechen (2) · De Bert Hartley (2)
Inventor country:
Applicant person:
Edmund Sparmann (4) · None (2) · Reinhold Schmiechen (2) · Everard Richard Calthrop‎‎ (2) · De Bert Hartley (2)
Applicant is inventor:
Tech fields:
airplane (21) · stability (17) · design (11) · navigation (8) · propulsion (8) · LTA (8) · None (7) · frame (7) · automatic stability (7) · construction (6) · wings (6) · control (5) · gyroscope (5) · Subsystem (5) · marine (4) · propellers (4) · hybrid (4) · propeller (4) · landing (4)
Full specification filed date:
Application number:
None (13)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (10) · Brandon frères (2) · Michael J. Stark & Sons (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

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