Drilldown: Patents

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Patents > Related to aircraft: Yes & National tech categories : USPC 244/153R or USPC 244/30

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None (12) · Albert Livingstone Blackman (2) · Stewart Cairncross (2)
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Tech fields:
None (24) · LTA (20) · frame (15) · navigation (11) · kite (9) · propulsion (8) · balloon (7) · propeller (7) · car (4) · compartments (4) · rudder (3) · dirigible (3)
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Showing below up to 57 results in range #1 to #57.

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