Drilldown: Patents

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Patents > Applicant type : COMPANY or INDIV & Patent agent: None & IPCs : IPC B64C27/04 or IPC B64C39/00 & First filing: No

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Tech fields:
design (16) · airplane (15) · Construction (14) · Propulsion (13) · Frame (12) · None (6) · stability (5) · propellers (5) · ascension (5) · landing (5) · navigation (4) · safety (3) · Rudder (3) · parachute (3) · Lift (3) · instrument (3) · wings (3) · airship (3) · aerodynamics (3)
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None (3)
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Showing below up to 43 results in range #1 to #43.

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