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Patents > Year granted: 1912 & Related to aircraft: 1 & CPCs: None

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Year granted:
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Inventors:
None (9) · August Wendtland (5) · Louis Constantin (3) · William Swart Romme (3) · Albert Graff (3) · Richard Wilcke (3)
Applicant person:
None (50) · William Swart Romme (3) · Dane Hurlburt (2) · Louis Constantin (2) · Heinrich Dittmar (2) · Rudolf Stamkort (2) · Gustave Plaisant (2) · Franz Adam (2) · Léon Dangy (2) · August Wendtland (2)
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Applicant is inventor:
Tech fields:
airplane (47) · frame (21) · design (21) · subsystem (20) · propulsion (19) · LTA (18) · whole (18) · stability (16) · aerodynamics (14) · wings (12) · construction (12) · propeller (10) · propellers (10) · airship (9) · navigation (8) · None (8) · landing (8) · helicopter (7)
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Supplementary to patent:
None (76) · Patent US-1910-1041876 (3) · Patent GB-1911-5162 (2) · Patent FR-1909-404954 (2) · Patent FR-1909-403985 (2) · Patent ES-1911-50435 (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent GB-1911-12188 (2) · Patent FR-1910-422033‎ (2) · Patent BE-1910-12-31 Léon Dangy (2) · Patent US-1910-1011683 (2)
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National tech categories:
None (23) · HU V/h (21) · AT 77d (21) · RU Group V (17) · CH 129b (7) · DK 77 (3) · DE 77h.5 (3) · DE 77h.4 (3) · DE 77h.10 (3) · FR 6.4 (2) · AT 42c (2) · CH 96g (2) · AU 90.3 (2)
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Citations from after 1930:
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