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Patents > Year filed: 1910 - 1919 & Inventor country: DE & Grant date: 1920 - 1929

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Tech fields:
airplane (32) · construction (22) · frame (21) · design (20) · None (15) · wings (12) · propellers (12) · biplane (11) · LTA (10) · Airship (10) · aerodynamics (10) · Motors (9) · control (7) · chassis (7) · subsystem (7) · military (7) · fuselage (6) · propeller (5)
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None (38)
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Supplementary to patent:
None (75) · Patent DE-1916-332540 (2)
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CPCs:
None (59) · CPC B64C3/00 (14) · CPC B64C2700/6235 (7) · CPC B64C35/00 (6) · CPC B64C2700/6233 (6) · CPC B64C13/00 (6) · CPC B64C11/20 (4) · CPC B64C25/62 (3) · CPC B64C2001/0081 (3) · CPC B64C17/00 (3) · CPC B64C11/00 (3) · CPC B64F2700/6226 (2) · CPC B64C3/26 (2) · CPC B64C3/14 (2) · CPC B64C25/06 (2) · CPC B64C2001/0063 (2) · CPC B64C2700/6212 (2) · CPC B64C1/00 (2)
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