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Patents > Applicant firm : Blackburn Aeroplane and Motor Co. or None & Citations from after 1930: 1-3

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None (148) · LTA (70) · stability (64) · airplane (61) · propulsion (61) · propeller (59) · frame (56) · navigation (38) · rudder (27) · parachute (27) · helicopter (27) · wheels (21) · marine (21) · aerial propeller (20) · military (20) · safety (19) · car (19) · landing (18) · control (17) · projectile (17)
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None (539) · Patent BE-1912-02-07-Gramaticesco (3) · Patent FR-1916-501550 (2)
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None (592)
IPCs:
None (352) · IPC B64B1/00 (22) · IPC B64C39/00 (18) · IPC B64C3/00 (17) · IPC B64C3/38 (14) · IPC B64C35/00 (8) · IPC B64C25/00 (8) · IPC B64C17/00 (8) · IPC B64C1/00 (8) · IPC B64C31/06 (7) · IPC B64C3/54 (7) · IPC B64C23/00 (7) · IPC B64C13/00 (7) · IPC B64C33/00 (7) · IPC F42B10/00 (7) · IPC B64C3/18 (5) · IPC B64C33/02 (5) · IPC B64C31/00 (5) · IPC B64B1/62 (5)
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