Drilldown: Patents

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Patents > Year granted: 1920 & Family year: 1916

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Tech fields:
airplane (20) · None (16) · frame (10) · design (10) · Construction (8) · Motors (7) · military (7) · wings (7) · aerodynamics (7) · Control (6) · propellers (6) · stability (6) · Subsystem (5) · biplane (4) · propulsion (4) · LTA (4) · projectile (3) · Airship (3) · whole (3) · chassis (3)
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None (14) · 510210D (2) · 510212D (2)
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CPCs:
None (15) · CPC B64C17/00 (6) · CPC B64B1/40 (3) · CPC B64C3/00 (3) · CPC B64C11/00 (3) · CPC B64C2700/6235 (2) · CPC B64C13/00 (2) · CPC B64C35/00 (2) · CPC B64C2700/6218 (2) · CPC B64C3/56 (2) · CPC B64C11/04 (2) · CPC B62C5/04 (2) · CPC G01S1/72 (2) · CPC B64B1/00 (2)
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Showing below up to 71 results in range #1 to #71.

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