Drilldown: Patents

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Patents > Office : US or Other & Inventor country : AT or ES & Applicant type : COMPANY + INDIV or Other & Applicant is inventor: Yes & Application number : airfoil or navigation or stability or None & First filing: No

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Tech fields:
airplane (18) · propulsion (16) · LTA (10) · propellers (10) · Safety (6) · propeller (5) · balloon (5) · Control (4) · landing (4) · design (4)
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