Drilldown: Patents

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Patents > Family year: 1890 - 1899 & Number of claims: 1-3 & Number of figures: 6-14

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Office:
Inventors:
Emil Lehmann (4) · Carl Friedrich Billwiller (3) · William Cowell Sly (2) · Theodor Schneider-Preiswerk (2) · August Riedinger (2) · Konstantin Danilewsky (2) · Charles Zimmerman (2) · Edward Zarski (2)
Inventor country:
Applicant person:
None (9) · Emil Lehmann (4) · Carl Friedrich Billwiller (3) · Theodor Schneider-Preiswerk (2) · William Cowell Sly (2) · Edward Zarski (2) · August Riedinger (2)
Applicant is inventor:
Tech fields:
LTA (26) · Frame (18) · propulsion (13) · navigation (9) · balloon (8) · Design (8) · Flapping (7) · Wings (6) · Airship (6) · propeller (5) · parachute (5) · Aerodynamics (5) · Gliders (4) · kite (4) · Hybrid (4) · Construction (4) · car (4) · stability (4)
Full specification filed date:
Granted:
Related to aircraft:
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
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