Drilldown: Patents

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Patents > Applicant firm: None & Tech fields: balloon & Grant date: 1890 - 1899 & Family year: 1800 - 1899

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Stewart Cairncross (3) · Louis-Étienne Roze (3) · Georg Gabrielii (2) · Juppont (2) · Max Nathan (2) · de Préneuf (2) · Sophus Hartmann (2) · August Riedinger (2) · William Cowell Sly (2)
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Showing below up to 54 results in range #1 to #54.

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