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Patents > Year granted: 1920 - 1929 & First filing: Yes & Number of figures: 2-3

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Year granted:
Office:
Inventors:
None (25) · Ernst Heinkel (4) · Paul Schmitt (4) · Gabriel Voisin (3) · Émile Letord (3) · George Francis Myers (2) · Christian Lorenzen (2) · Robert Kemp (2) · Henry Kleckler (2) · Émile-Louis Letord (2) · Jakob Haw (2) · John P. Tarbox (2) · Louis Béchereau (2)
Inventor country:
Inventor location:
Applicant person:
None (32) · Ernst Heinkel (4) · Paul Schmitt (4) · Émile Letord (3) · Gabriel Voisin (3) · Émile-Louis Letord (2) · Claudius Dornier (2) · Christian Lorenzen (2) · Louis Béchereau (2) · Henry Kleckler (2) · George Francis Myers (2) · Jakob Haw (2)
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Full specification filed date:
Application number:
None (26) · 496388D (2)
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Related to aircraft:
IPCs:
None (12) · IPC B64C3/00 (11) · IPC B64C11/04 (7) · IPC B64C35/00 (7) · IPC B64C39/00 (6) · IPC B64C13/00 (5) · IPC B64C11/20 (4) · IPC B64B1/00 (3) · IPC B64C25/00 (3) · IPC B64C1/06 (3) · IPC B64C11/00 (3) · IPC B64C27/04 (2) · IPC B64C3/38 (2) · IPC B64C13/12 (2) · IPC B64C11/36 (2) · IPC B64D27/00 (2) · IPC B64C17/00 (2) · IPC B64C3/18 (2) · IPC B64B1/58 (2)
CPCs:
CPC B64C3/00 (10) · CPC B64C11/04 (8) · CPC B64C13/00 (8) · None (7) · CPC B64C35/00 (6) · CPC B64C2700/6256 (5) · CPC B64C2700/6235 (5) · CPC B64C39/00 (3) · CPC B64C2001/0063 (3) · CPC B64C3/385 (3) · CPC B64C11/20 (3) · CPC B64C11/00 (3) · CPC B64C2700/6281 (2) · CPC B64C17/00 (2) · CPC B64C13/12 (2) · CPC B64C11/36 (2) · CPC B64C2700/6233 (2) · CPC B64C25/62 (2) · CPC B64D27/00 (2) · CPC B64B1/58 (2)
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Cites these patents:
Citations from after 1930:
Number of text pages:
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