Quadrotor
Description
Claims
The ornamental design for a quadrotor, as shown and described.
Referenced Cited
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Patent History
Patent number: D944331
Type: Grant
Filed: Feb 26, 2021
Date of Patent: Feb 22, 2022
Inventor: Tongwei Wang (Shantou)
Primary Examiner: Marissa J Cash
Application Number: 29/771,968
Type: Grant
Filed: Feb 26, 2021
Date of Patent: Feb 22, 2022
Inventor: Tongwei Wang (Shantou)
Primary Examiner: Marissa J Cash
Application Number: 29/771,968
Classifications
Current U.S. Class:
Helicopter (D21/442)