Drilldown: Patents
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Patents > National tech categories :
DE 77h.5 or
USPC 244/3.23 or
USPC 244/45R
& CPCs :
CPC B64C11/006 or
CPC B64C13/00
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None (1) ·
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Belton Tattnall Hamilton (1) ·
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Hermann Werner (1) ·
Joseph Wetterwald (1) ·
Louis Blériot (1) ·
Michael Uschkoff (1) ·
Michel Schleiffer (1) ·
Robert Esnault-Pelterie (1) ·
William Morton James (1) ·
William Whitney Christmas (1)
None (1) ·
Alfredo Guillermo Leigh (1) ·
Anton Flettner (11) ·
Belton Tattnall Hamilton (1) ·
Ernst Bucher (1) ·
Halvor Gaara (1) ·
Hermann Werner (1) ·
Joseph Wetterwald (1) ·
Louis Blériot (1) ·
Michael Uschkoff (1) ·
Michel Schleiffer (1) ·
Robert Esnault-Pelterie (1) ·
William Morton James (1) ·
William Whitney Christmas (1)
None (3) ·
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Showing below up to 24 results in range #1 to #24.