Patent ES-1910-46752

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Year filed 1910
Year granted
Office ES
Patent number 46752
Inventors Hermann Ruthenberg
Inventor country DE
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Applicant type INDIV
Applicant is inventor? 1
Original title Una rueda de viento de aplicación especial como propulsor para el movimiento de aparatos de aviación, dirigibles y análogos.
English title Wind-wheel used especially as propeller for airplanes, dirigibles, and the like
Tech fields propeller, propulsion
Filing date 1910-02-01
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Related to aircraft? 1
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Citations from after 1930
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