Drilldown: Patents

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Patents > Year granted: 1900 - 1909 & Inventor country : CH or DE or RU or US & National tech categories: FR 6.4 & Number of claims: 1-2

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None (4) · Johann Schütte (3) · Léon Dufour (3) · Paul Frederik Degn (2) · James Means (2) · Theodor Zorn (2) · Johannes Schilling (2)
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None (3) · Johann Schütte (3) · Léon Dufour (3) · James Means (2) · Johannes Schilling (2) · Theodor Zorn (2) · Paul Frederik Degn (2)
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Tech fields:
LTA (24) · propellers (12) · propulsion (12) · airplane (10) · stability (9) · Design (7) · construction (6) · frame (6) · Balloons (6) · Wings (4) · aerostat (4) · Navigation (4) · None (3) · hybrid (3) · safety (3) · dirigibles (3) · airship (3) · ascension (3)
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None (4)
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