Drilldown: Patents

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Patents > Year filed: 1912 & Applicant is inventor: Yes & Number of claims: 9-12

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Belton Tattnall Hamilton (2)
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Tech fields:
airplane (10) · stability (7) · None (5) · frame (5) · automatic stability (5) · propellers (4) · landing (3) · helicopter (3) · design (3) · construction (3)
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