Drilldown: Patents

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Patents > Year granted: 1900 - 1909 & Related to aircraft: Yes & National tech categories : FR 5 or FR 6.4 or USPC 244/153R or USPC 416/197A & CPCs: CPC B64B1/58

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LTA (25) · balloon (4) · stability (4) · Subsystem (4) · navigation (4) · Balloons (3) · airship (3) · construction (3) · Dirigible (3) · valve (3) · hybrid (3) · Airplane (2) · rudder (2) · Propulsion (2) · frame (2) · Gyroscope (2)
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Showing below up to 33 results in range #1 to #33.

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