Drilldown: Patents

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Patents > Office : CH or GR & Filing date: 1900 - 1909

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Inventors:
None (2) · Peter Zweifel (2) · Johannes Schilling (2) · Louis Blériot (2) · Armand Dufaux (2) · Henri Dufaux (2)
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Tech fields:
LTA (17) · airplane (12) · frame (10) · navigation (9) · propulsion (9) · Propellers (9) · design (8) · propeller (7) · Wings (7) · Subsystem (6) · Construction (5) · car (4) · balloon (4) · whole (4) · stability (4) · Marine (4) · flapping (4) · dirigible (4)
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Showing below up to 43 results in range #1 to #43.

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