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Patents > Office: Other & Grant date: October 1912 & Number of text pages: 2-3

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Inventors:
Robert Esnault-Pelterie (3) · None (2) · Carl Franz Hubert Hertel (2) · Carl Wilhelm Paul (2)
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Robert Esnault-Pelterie (3) · None (2) · Carl Franz Hubert Hertel (2) · Carl Wilhelm Paul (2)
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Tech fields:
Airplane (22) · stability (9) · None (6) · propellers (6) · navigation (5) · propulsion (5) · Design (5) · parachute (4) · automatic stability (4) · Landing (4) · helicopter (4) · wings (4) · subsystem (3) · gyroscope (3)
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None (13)
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CPCs:
CPC B64C17/00 (8) · CPC B64C39/00 (4) · CPC B64C3/385 (4) · None (3) · CPC B64C2700/6295 (3) · CPC B64C33/02 (3) · CPC B64C27/82 (2) · CPC B64B1/00 (2) · CPC B64C13/00 (2) · CPC B64C17/06 (2) · CPC B64C23/005 (2) · CPC B64C2700/6218 (2) · CPC B64C2700/6214 (2)
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