Drilldown: Patents

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Patents > Number of text pages: 1 & Number of figures: 5

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Inventors:
None (5) · Pierre Levasseur (2) · Josef Zimmermann (2)
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Tech fields:
Propulsion (7) · LTA (6) · frame (6) · construction (5) · propellers (5) · airplane (4) · propeller (4) · design (4) · navigation (3) · flapping (3) · hangars (3) · safety (3) · car (3) · Tragfläche (3) · biplane (3) · balloon (3) · wings (3) · Airship (3)
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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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