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Patents > Inventor country: FR & CPCs : CPC B21D39/04 or CPC B64C2700/6212

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Office:
Inventors:
Louis-Isidore Henry (3) · None (2) · Gaston-Marie-Eugène Balignant (2) · Jules Sandret (2) · Louis Marmonier (2)
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Applicant person:
None (4) · Louis-Isidore Henry (3) · Gaston-Marie-Eugène Balignant (2) · Jules Sandret (2)
Applicant is inventor:
Tech fields:
stability (35) · automatic stability (23) · airplane (22) · None (11) · pendulum (8) · Control (8) · wing warping (4) · subsystem (4) · aileron (3) · cables (3) · pistons (3) · equilibrium (3) · aerodynamics (2) · helicopter (2) · marine (2) · frame (2) · gyroscope (2)
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None (2)
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CPCs: (Click arrow to add another value)
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Citations from after 1930:
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Showing below up to 59 results in range #1 to #59.

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