Drilldown: Patents

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Patents > Office : ?? or DE or NO & Inventor country : DE or RO & IPCs : IPC B64B1/58 or IPC B64C27/04 or None & Number of figures: 1-2

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Inventors:
None (16) · Otto Lilienthal (3) · Heinrich Strieffler (2) · Reinhold Richter (2)
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Tech fields:
LTA (21) · frame (9) · airplane (8) · propulsion (7) · subsystem (7) · None (6) · balloon (6) · car (6) · dirigible (4) · mooring (4) · marine (4) · propeller (4) · compartments (4) · airship (4) · storage (3) · navigation (3) · helicopter (3) · rigid (3)
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Citations from after 1930:
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Showing below up to 57 results in range #1 to #57.

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