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Patent applications and USPTO patent grants for Marze; Henri-James R..The latest application filed is for "counter-torque device with rotor and flow straightening stator, both of which are ducted, and inclined flow-straightening vanes".
Patent | Date |
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Counter-torque device with rotor and flow straightening stator, both of which are ducted, and inclined flow-straightening vanes Grant 5,634,611 - Marze , et al. June 3, 1 | 1997-06-03 |
Counter-torque device with ducted rotor and phase modulation of the blades, for helicopter Grant 5,566,907 - Marze , et al. October 22, 1 | 1996-10-22 |
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