Drilldown: Patents

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Patents > Year granted: 1900 - 1909 & 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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None (3) · Édouard Surcouf (3) · Adrien-Edmond Martinot (2) · Leonardo Torres Quevedo (2) · Jean-Adrien de Mestre (2)
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None (5) · Adrien-Edmond Martinot (2) · Jean-Adrien de Mestre (2)
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Tech fields:
LTA (35) · stability (5) · Dirigible (5) · balloon (5) · construction (4) · hybrid (4) · propulsion (4) · Subsystem (4) · Navigation (4) · valve (3) · balloons (3) · Airship (3) · rudder (2) · texture (2) · Design (2) · ballonet (2) · frame (2) · Gyroscope (2) · airplane (2)
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Showing below up to 45 results in range #1 to #45.

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