Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Inventor country : CH or RU & Applicant type : Hermann Burkardt or INDIV or INDIV + COMPANY & Patent agent: None & IPCs : IPC B64B1/58 or None

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None (9) · LTA (8) · flying machine (6) · airplane (3) · balloon (3) · hybrid (3) · propulsion (3) · marine (3) · propeller (3) · frame (3) · compartments (2) · Airship (2) · Steering (2) · helicopter (2) · airfoil (2) · navigation (2)
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Showing below up to 32 results in range #1 to #32.

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