Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Office : DE or DEG or US & Tech fields: balloon & Granted: Yes & Patent agent: None

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None (7) · Johann Schütte (3) · Walter Hermann von Mach (2) · Johannes Schilling (2) · Sebastian Finsterwalder (2) · August Riedinger (2)
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