Drilldown: Patents

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Patents > Office: GB & Applicant type: None & Family year: 1890 - 1899

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Office: (Click arrow to add another value)
Inventors:
None (2) · Henry Middleton (2) · Thomas Henry Willoughby Beddoes (2) · Thomas Griffiths (2) · William Nelson Hutchinson (2)
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Tech fields:
None (18) · LTA (10) · propulsion (10) · whole (6) · balloon (6) · propeller (6) · frame (6) · navigation (4) · motor (3) · parachute (3) · rudder (3) · airfoil (3) · compartments (3) · subsystem (3) · car (3)
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