Patent on the tilt rotor concept applied for
Friday, July 7, 1950
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Description
The applicant was Haviland Platt. The application became US Patent 2,702,168, which was issued on 15 February 1955.
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Description
The applicant was Haviland Platt. The application became US Patent 2,702,168, which was issued on 15 February 1955.
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