Drilldown: Patents

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Patents > Filing date: 1880 - 1889 & First filing: Yes & Number of figures: 2-3

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Applicant person:
Otto Lilienthal (4) · William Franklin Fleharty (2)
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Tech fields:
LTA (14) · balloon (6) · None (5) · propulsion (5) · propeller (5) · navigation (5) · stability (4) · projectile (3) · military (3) · control (3) · kite (3) · frame (2) · steam (2) · safety (2) · rudder (2) · hand tools (2) · whole (2) · car (2)
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None (8) · DE 77 (7) · USPC 244/153R (3) · USPC 244/30 (3) · DE 13 (2) · USPC 244/155R (2)
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