Drilldown: Patents

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Patents > Year filed: 1920 - 1929 & Granted: Yes & Number of figures: 4-20

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Office:
Inventors:
None (4) · Ernst Heinkel‎ (3) · Bert Hinkler (3) · George Lanzius (2) · Seth Hart (2) · John Arthur Weis (2)
Inventor country:
Applicant person:
None (4) · Bert Hinkler (3) · Ernst Heinkel‎ (3) · Seth Hart (2) · John Arthur Weis (2)
Applicant is inventor:
Tech fields:
airplane (15) · frame (10) · None (6) · Propeller (6) · chassis (5) · design (5) · wings (5) · propellers (3) · construction (3) · landing (3) · wheels (3)
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Related to aircraft:
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Citations from after 1930:
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Showing below up to 44 results in range #1 to #44.

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