Drilldown: Patents

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Patents > Year granted: 1920 & Applicant person: None & Applicant is inventor: No

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Tech fields:
None (19) · airplane (18) · frame (8) · design (8) · construction (7) · wings (7) · aerodynamics (5) · chassis (5) · fuselage (5) · suspension (4) · propellers (4) · biplane (4) · motors (4) · lift (4)
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None (6)
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CPCs:
None (16) · CPC B64C3/00 (6) · CPC B64C35/00 (5) · CPC B64C13/00 (3) · CPC B64C2700/6235 (3) · CPC B64C3/54 (2) · CPC B64C2700/6256 (2) · CPC B64C2001/0081 (2) · CPC B64C2001/0063 (2) · CPC B64C17/00 (2) · CPC B64C2700/6233 (2) · CPC B64F2700/6288 (2) · CPC B64C1/12 (2) · CPC B64B1/40 (2) · CPC B64B1/58 (2) · CPC B64C11/14 (2) · CPC B64C1/00 (2) · CPC B64C11/00 (2)
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