US Patent D921561 Single cylinder single handle underwater propeller

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D9215610

Patent Inventor Names

Ding Li0

Dongjian Zhang0

Date of Patent

June 8, 2021

Patent Application Number

297131790

Date Filed

November 14, 2019

Patent Citations

‌

US Patent 10835784 Personal propulsion device

‌

US Patent 10308336 Watercraft propulsion system

Patent Citations Received

‌

US Patent D1001713 Underwater scooter

Patent Primary Examiner

‌

Christian P. McLean

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