Drilldown: Patents
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Patents > National tech categories:
DE 77h.5
& CPCs :
CPC B64C13/00 or
CPC B64C2700/6218
& Citations from after 1930:
None
Use the filters below to narrow your results.
None (2) ·
Adolph Ditriech Wittemann (1) ·
Alfredo Guillermo Leigh (1) ·
Anton Flettner (11) ·
Belton Tattnall Hamilton (1) ·
Charles Rudolph Wittemann (1) ·
Ernst Bucher (1) ·
Halvor Gaara (1) ·
Hermann Werner (1) ·
Jacob Knappich (1) ·
Joseph Wetterwald (1) ·
Louis Blériot (1) ·
Michael Uschkoff (1) ·
Michel Schleiffer (1) ·
Raimund Nimfuehr (1) ·
Robert Esnault-Pelterie (1)
None (2) ·
Adolph Ditriech Wittemann (1) ·
Alfredo Guillermo Leigh (1) ·
Anton Flettner (11) ·
Belton Tattnall Hamilton (1) ·
Charles Rudolph Wittemann (1) ·
Ernst Bucher (1) ·
Halvor Gaara (1) ·
Hermann Werner (1) ·
Jacob Knappich (1) ·
Joseph Wetterwald (1) ·
Louis Blériot (1) ·
Michael Uschkoff (1) ·
Michel Schleiffer (1) ·
Raimund Nimfuehr (1) ·
Robert Esnault-Pelterie (1)
None (3) ·
aerodynamics (2) ·
aileron (1) ·
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Safety (1) ·
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steering (3) ·
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wings (3)
Showing below up to 25 results in range #1 to #25.