Drilldown: Patents

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Patents > Tech fields : propeller or rudder & Number of figures: 12-17

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Office:
Inventors:
George Brougham Hubert Austin (3) · Hugo Hückel (2)
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Applicant person:
None (14) · Hugo Hückel (2)
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Application number:
None (17)
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Related to aircraft:
National tech categories:
None (14) · FR 6.4 (7) · USPC 244/50 (2) · USPC 244/30 (2) · USPC 244/96 (2)
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Citations from after 1930:
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