Drilldown: Patents

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

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Louis-Étienne Roze (4) · Stewart Cairncross (4) · Juppont (2) · Henry Boinet (2) · William Cowell Sly (2) · Georg Gabrielii (2) · Sophus Hartmann (2) · Edward Zarski (2) · Max Nathan (2)
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None (21) · Louis-Étienne Roze (3) · Georg Gabrielii (2) · Sophus Hartmann (2) · Max Nathan (2) · Juppont (2) · William Cowell Sly (2) · Edward Zarski (2)
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Showing below up to 62 results in range #1 to #62.

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