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Patents > CPCs: None & Number of text pages: 3-5 & Number of diagram pages: 3-20000000

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Office:
Inventors:
Hermann Hassenbach (2) · William Alfred South (2) · Jean Francis Webb (2) · Erik Emanuel Lindkvist (2) · Charles Groombridge (2) · Boo Henning Wallin (2)
Inventor country:
Applicant person:
None (15) · William Alfred South (2) · Charles Groombridge (2) · Hermann Hassenbach (2) · Boo Henning Wallin (2)
Applicant is inventor:
Tech fields:
propulsion (25) · airplane (20) · frame (15) · design (15) · LTA (11) · flapping (10) · Propellers (10) · wings (9) · stability (8) · None (7) · navigation (7) · construction (7) · whole (7) · subsystem (6) · marine (6) · control (6) · steering (5)
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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 84 results in range #1 to #84.

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