Assignee

SUREFLY INC

US·1 granted patent·28 citations·filing 2018–2018

Technology mixB64C1 B64D1 Y02T1

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0191US11059598B2Auxiliary power system for rotorcraft with folding propeller arms and crumple zone loading gearSUREFLY INC·Filed 2018·Granted Jul 13, 2021·28 cites·18 claims

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