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Patents > National tech categories : DE 77 or USPC 244/30 or None & CPCs: CPC B64C33/02

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Inventors:
None (3) · William Henry KELLY (3) · Alfred Theodor Zeise (2) · John Valentine Janin (2) · August Keller (2) · Friedrich Kopsch (2) · James Dennis Roots (2) · Hermann ISRAEL (2) · William Frederic SAUNT (2)
Inventor country:
Applicant person:
None (12) · William Henry Kelly (3) · Alfred Theodor Zeise (2) · SAUNT William FREDERIC (2) · Friedrich Kopsch (2) · John Valentine Janin (2) · James Dennis Roots (2)
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Tech fields:
None (81) · ornithopter (14) · flapping (11) · propulsion (8) · wings (8) · frame (6) · design (5) · airship (4) · whole (4) · LTA (4) · control (4) · Aerodynamics (3) · navigation (3) · stability (2) · airplane (2) · wing (2) · wheels (2) · Heavier-than-air (2) · hybrid (2)
Full specification filed date:
Application number:
None (21)
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Citations from after 1930:
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