Drilldown: Patents

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Patents > Office : ?? or DE or ES or IN or SAX or US & Tech fields: balloon & Patent agent: None & CPCs : CPC B64B1/60 B64B1/00 or None

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None (6) · Leonardo Torres Quevedo (5) · Comte Antoine Apraxine (3) · August Riedinger (2) · Henry Boinet (2) · Richard Wilcke (2) · Johann Schütte (2) · Albert Graff (2)
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Showing below up to 65 results in range #1 to #65.

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