Drilldown: Patents

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Patents > National tech categories : FR 6.4 or USPC 244/233 & Number of text pages: 8-50000000

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Office:
Inventors:
None (4) · James Shand Stephens (2)
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Applicant person:
None (6) · James Shand Stephens (2)
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Tech fields:
Airplane (21) · stability (13) · design (9) · Control (9) · wings (6) · LTA (6) · frame (6) · automatic stability (5) · propulsion (5) · flapping (5) · construction (5) · HTA (4) · None (3) · lift (3) · hybrid (3) · biplane (3) · chassis (3) · aileron (3) · navigation (3)
Full specification filed date:
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None (7)
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Citations from after 1930:

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