Drilldown: Patents

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Patents > Office : CH or DEG or LU & Inventor country : CA or CH

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Tech fields:
LTA (13) · airplane (12) · frame (12) · propeller (11) · propulsion (10) · subsystem (8) · navigation (7) · stability (7) · balloon (6) · design (6) · whole (5) · None (4) · dirigible (3) · car (3) · rigid (3) · Cables (3) · heavier-than-air (3)
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Cites these patents:
Citations from after 1930:
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Showing below up to 42 results in range #1 to #42.

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