Drilldown: Patents

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Patents > Tech fields: helicopter & Number of figures: 3-4

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Inventors:
Henri de Lostalot (3) · Wilhelm Kress (3) · Gustav Mees (3) · Edwin Richard Mumford (2) · Jacob Christian Hansen-Ellehammer (2) · Peter Pitcairn Carmichael (2) · Jean Desbois (2) · Oszkár Asbóth (2) · Niels Waltersen Aasen (2) · Joseph Chantraine (2) · Karl Pollacsek (2)
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Applicant person:
None (3) · Henri de Lostalot (3) · Gustav Mees (3) · Wilhelm Kress (3) · Niels Waltersen Aasen (2) · Jacob Christian Hansen-Ellehammer (2) · Jean Desbois (2) · Joseph Chantraine (2) · Karl Pollacsek (2) · Edwin Richard Mumford (2) · Peter Pitcairn Carmichael (2)
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None (15)
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Citations from after 1930:
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Showing below up to 61 results in range #1 to #61.

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