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Patents > Grant date: 1906 & National tech categories : FR 6.4 or FR 8

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Inventors:
Jean Constantin (2) · Edwin Richard Mumford (2)
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Jean Constantin (2) · Edwin Richard Mumford (2)
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Tech fields:
propulsion (17) · airplane (16) · stability (10) · LTA (10) · Lift (6) · helicopter (6) · wings (4) · frame (4) · Navigation (4) · Dirigible (3) · design (3) · aerodynamics (3) · hybrid (3) · heavier-than-air (3) · ascension (3) · construction (3) · automatic stability (3)
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Showing below up to 49 results in range #1 to #49.

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