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Patents > Tech fields : Airplane or LTA or collapsible or propellers or None & National tech categories : DE 77 or USPC 244/153R

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None (13) · F. Gaebert (4) · Rudolf Chillingworth (2) · Edward Joel Pennington (2) · Ernst Georg August Baumgarten (2) · Raphael Ernst May (2) · Ferdinand von Zeppelin (2) · Henry Boinet (2) · Georg Fischer (2)
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None (61) · F. Gaebert (3) · Georg Fischer (2) · Ferdinand von Zeppelin (2) · Ernst Georg August Baumgarten (2) · Raphael Ernst May (2)
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Showing below up to 116 results in range #1 to #116.

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