For the Inventor, By the Inventor

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Shenzhen, China

Shenzhen Lefeet Innovation Technology Co., Ltd.

USPTO Granted Patents = 2

Trademarks = 6

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

Ding Li (2 out of 16 patents)

Dongjian Zhang (2 out of 3 patents)

2 patents: Sort by Forward Citations

1. D921563 - Single handle for single cylinder underwater propeller (2021-06-08),

2. D921561 - Single cylinder single handle underwater propeller (2021-06-08),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#1,653 in Shenzhen

#10,021 in China

Shenzhen, China

Shenzhen Lefeet Innovation Technology Co., Ltd.

Forward Citations = 3

2 inventors:

Ding Li (2 out of 16 patents)

Dongjian Zhang (2 out of 3 patents)

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