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Patents > Patent agent : J. Germain or W. Randolph, Jr. & Citations from after 1930: None

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Tech fields:
airplane (22) · stability (15) · frame (12) · Propulsion (11) · control (10) · Design (9) · Propellers (9) · aerodynamics (7) · automatic stability (7) · construction (7) · lift (5) · Helicopter (5) · equilibrium (5) · LTA (5) · ascension (4) · pendulum (4) · Hybrid (4) · texture (4) · gyroscope (4) · wings (4)
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None (3)
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CPCs:
CPC B64C2700/6295 (7) · CPC B64C39/00 (5) · CPC B64C17/00 (5) · CPC B64C2700/6274 (4) · CPC B64C17/06 (4) · CPC B64C23/005 (4) · CPC B64C2700/6216 (4) · CPC B64C2700/6212 (3) · CPC B64C2700/6281 (3) · CPC B64C27/12 (3) · CPC B64C1/00 (2) · CPC B64B1/58 (2) · CPC B64C33/02 (2) · CPC B64C2700/6228 (2) · CPC B64C2700/6218 (2)
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