Drilldown: Patents

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Patents > Office : ?? or DE or GB or SE or UN & Applicant is inventor : No or Yes & National tech categories : DC37a group 4 or GB 4 propel & steer & IPCs: None & CPCs: None & Number of figures: None

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Inventors:
James Grieve Lorrain (3) · Ernest Wilson (2) · Patrick Young Alexander (2)
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Tech fields:
propulsion (14) · propeller (14) · LTA (11) · navigation (9) · electricity (7) · frame (5) · valve (5) · car (5) · ascension (4) · balloon (4) · steam (4) · rudder (4) · heavier-than-air (4) · landing (3) · motor (3) · electronics (3) · cybernetics (3) · parachute (3)
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Showing below up to 36 results in range #1 to #36.

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