Drilldown: Patents

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Patents > Applicant is inventor : Yes or None & National tech categories : DE 77h.9 or HU V/h

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Tech fields:
airplane (179) · Design (123) · Propellers (92) · Subsystem (80) · construction (75) · frame (74) · airship (65) · wings (55) · stability (52) · Whole (52) · propulsion (51) · aerodynamics (48) · LTA (45) · automatic stability (30) · lift (23) · Control (23)
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None (241) · Patent FR-1912-455471 (2) · Patent FR-1909-399456 (2) · Patent DE-1907-215602 (2) · Patent FR-1909-403985 (2) · Patent DE-1907-12-07 Vincent Wisniewski (2) · Patent US-1903-821393 (2) · Patent AT-1911-57225 (2) · Patent BE-1913-07-12 Joseph de Pierpont de Burnot (2)
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