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Patents > Year granted: 1909 & Tech fields : balloon or landing

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None (8) · Johann Schütte (3) · Joseph Allison Steinmetz (3) · Ottavio Ricaldoni (2) · Joel Trout Rice (2) · Gaetano Arturo Crocco (2) · John Joseph Rekar (2) · Johannes Schilling (2) · Ottó Krausz (2) · Caspar Braun (2)
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Showing below up to 59 results in range #1 to #59.

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