Drilldown: Patents

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Patents > Office : CU or DE or IN or RU or US & Tech fields : LTA or balloon & National tech categories: DE 77 & Family year: 1800 - 1899

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Inventors:
Raphael Ernst May (2) · Ernst Georg August Baumgarten (2)
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None (15) · Ernst Georg August Baumgarten (2) · Raphael Ernst May (2)
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Showing below up to 71 results in range #1 to #71.

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