Drilldown: Patents

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Patents > Office : AT or BE or ES & Inventors: None & Patent agent: None

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Tech fields:
airplane (38) · LTA (18) · construction (18) · frame (17) · design (15) · subsystem (10) · airship (10) · chassis (7) · balloon (7) · Military (7) · wheels (7) · wings (7) · hangars (6) · propeller (6) · biplane (6) · propellers (6) · propulsion (6) · Infrastructure (6) · landing (6)
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First filing:
Citations from after 1930:
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Showing below up to 90 results in range #1 to #90.

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