Drilldown: Patents

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Patents > CPCs: None & Number of text pages: 3-5 & Number of diagram pages: 3

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Office:
Inventors:
Erik Emanuel Lindkvist (2) · William Alfred South (2) · Charles Groombridge (2)
Inventor country:
Applicant person:
None (10) · William Alfred South (2) · Charles Groombridge (2)
Applicant is inventor:
Tech fields:
propulsion (18) · airplane (14) · Frame (10) · None (9) · stability (7) · LTA (7) · Design (6) · Flapping (6) · Propellers (5) · Whole (4) · Subsystem (4) · marine (4) · wings (4) · automatic stability (4)
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Related to aircraft:
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CPCs: (Click arrow to add another value)
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Citations from after 1930:
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Showing below up to 57 results in range #1 to #57.

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