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Patents > National tech categories: GB 4 propel & steer & IPCs : IPC B64C25/62 or None

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Inventors:
James Grieve Lorrain (3) · Ernest Wilson (3) · John MacHaffie (2) · Octave Chanute (2) · Charles John Evans (2) · John Marshall (2) · Patrick Young Alexander (2) · Hiram Stevens Maxim (2)
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propulsion (33) · navigation (21) · propeller (21) · LTA (19) · rudder (12) · subsystem (10) · electricity (10) · frame (9) · car (9) · heavier-than-air (8) · balloon (7) · marine (7) · flapping (7) · jet (7) · ascension (6) · steam (6) · valve (6) · airplane (5)
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Showing below up to 67 results in range #1 to #67.

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