Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Tech fields: landing & Related to aircraft: 1

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Inventors:
Heinrich Strieffler (4) · Hermann Gothan (3) · Gustav Kerwat (3) · Augusto Severo (2) · Friedrich von Ehrenberg (2) · Caspar Braun (2)
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National tech categories:
None (11) · DE 77h.15 (5) · FR 6.4 (4) · USPC 244/22 (2)
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