Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Inventor location: None & CPCs: CPC B64C33/00

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Inventors:
Franz Xaver Wels (2) · John Emery Harriman, Jr. (2) · Gotthold Gysi-Jakob (2)
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None (3) · John Emery Harriman, Jr. (2) · Gotthold Gysi-Jakob (2) · Franz Xaver Wels (2)
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None (5)
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