Drilldown: Patents

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Patents > Tech fields: Flapping & Filing date: 1910 - 1919 & Number of figures: 5-50

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Inventors:
Hermann Hassenbach (5) · Franz Xaver Wels (4) · Ruter William Springer (3) · Ludwig Schmidl (3) · Victor Alouis (2) · Magloire Desjardins (2) · Jules Materne (2) · Hermann John Reiche (2) · Gustav Lilienthal (2) · William Francis Dugins (2) · Auguste Porcher (2) · Alfred Albert Strougler (2)
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None (7) · Hermann Hassenbach (5) · Franz Xaver Wels (4) · Ruter William Springer (3) · Ludwig Schmidl (3) · William Francis Dugins (2) · Victor Alouis (2) · Magloire Desjardins (2) · Jules Materne (2) · Gustav Lilienthal (2) · Hermann John Reiche (2) · Alfred Albert Strougler (2) · Auguste Porcher (2)
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None (17)
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