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Patents > Tech fields: propellers & National tech categories : FR 6.3 or HU V/h or USPC 244/80

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Inventors:
None (12) · Antoine-Padoue Filippi (3) · Gustave Plaisant (3) · Oszkár Asbóth (3) · Alfred K. R. A. Krakow (2) · Boris Loutzkoy (2) · Jakob Haw (2) · Frédéric Malfait (2) · Hermann Ruthenberg (2) · Vilmos Zurowec (2)
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None (15) · Gustave Plaisant (3) · Oszkár Asbóth (3) · Hermann Ruthenberg (2) · Frédéric Malfait (2) · Vilmos Zurowec (2) · Jakob Haw (2) · Antoine-Padoue Filippi (2) · Boris Loutzkoy (2)
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None (24)
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Supplementary to patent:
None (84) · Patent FR-1909-403985 (2)
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