Drilldown: Patents

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Patents > Year granted: 1917 & Applicant firm: None & Number of diagram pages: 3-4

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Inventors:
James Jesse Jackson (2) · Frank Ezra Summers (2)
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None (2) · Frank Ezra Summers (2) · James Jesse Jackson (2)
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None (7) · HTA (6) · helicopter (5) · airplane (4) · airship (4) · LTA (3) · control (3) · stability (3) · propellers (2) · hydroaeroplane (2) · hybrid (2)
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