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Patents > National tech categories : GB 4 propel & steer or USPC 416/129

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Office:
Inventors:
James Grieve Lorrain (3) · Ernest Wilson (3) · Charles John Evans (2) · Hiram Stevens Maxim (2) · John MacHaffie (2) · John Marshall (2) · Octave Chanute (2) · Patrick Young Alexander (2) · Erhard Brunsmann (2)
Inventor country:
Applicant person:
None (45) · Alfred Julius Boult (2)
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Applicant is inventor:
Tech fields:
propulsion (38) · navigation (24) · propeller (24) · LTA (19) · subsystem (12) · rudder (12) · frame (11) · car (11) · electricity (10) · heavier-than-air (9) · marine (9) · flapping (9) · balloon (7) · steam (7) · jet (7) · ascension (6) · parachute (6) · stability (6) · airplane (6) · valve (6)
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Citations from after 1930:
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Showing below up to 82 results in range #1 to #82.

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