Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Related to aircraft : -1 or 1? or frame

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Office:
Inventors:
Everard Richard Calthrop‎‎ (9) · None (2) · N. Thiry (2) · Harold Edward Sherwin Holt (2) · Félix Amiot (2)
Inventor country:
Applicant person:
Everard Richard Calthrop‎‎ (9) · None (7) · Harold Edward Sherwin Holt (2) · Félix Amiot (2) · N. Thiry (2)
Applicant is inventor:
Tech fields:
airplane (13) · stability (9) · frame (7) · parachute (7) · safety (6) · propulsion (6) · LTA (5) · propellers (5) · construction (5) · navigation (3) · motors (3) · None (3) · design (3) · control (3)
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Citations from after 1930:
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Showing below up to 51 results in range #1 to #51.

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