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Patents > Applicant person : Edward Spencer or None & IPCs: IPC B64B1/58

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LTA (35) · Texture (8) · frame (7) · stability (6) · balloon (6) · navigation (6) · car (6) · fabric (5) · rigid (3) · gas (3) · propulsion (3) · propeller (3) · suspension (3) · subsystem (3) · ballonet (3) · airship (3) · valve (3)
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Showing below up to 39 results in range #1 to #39.

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