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Patents > Applicant is inventor: Yes & National tech categories : DE 77h.9 or HU V/h

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Tech fields:
Airplane (164) · Design (114) · propellers (86) · subsystem (73) · Construction (67) · Frame (65) · Airship (54) · stability (50) · wings (49) · Whole (49) · propulsion (49) · Aerodynamics (45) · LTA (40) · Automatic stability (29) · control (23) · lift (22) · Dirigibles (19)
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None (221) · Patent DE-1907-215602 (2) · Patent FR-1909-399456 (2) · Patent AT-1911-57225 (2) · Patent FR-1909-403985 (2) · Patent US-1903-821393 (2) · Patent DE-1907-12-07 Vincent Wisniewski (2) · Patent BE-1913-07-12 Joseph de Pierpont de Burnot (2) · Patent FR-1912-455471 (2)
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