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Patents > National tech categories : USPC 244/153R or USPC 244/30 & IPCs: None

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None (12) · Alexander Graham Bell (3) · Eugene F. Falconnet (2)
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None (21) · Alexander Graham Bell (3) · Eugene F. Falconnet (2)
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None (23) · kite (23) · frame (17) · LTA (14) · navigation (7) · propulsion (7) · propeller (5) · balloon (3) · car (3) · safety (3) · rudder (3) · parachute (2) · photography (2) · fun (2) · stability (2) · ascension (2) · dirigible (2) · compartments (2) · marine (2)
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Showing below up to 64 results in range #1 to #64.

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