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For the Inventor, By the Inventor

Jinju-si, Gyeongsangnam-do, South Korea

Cheonghosystem Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 7

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1 inventor (with patents filed for the assignee):

goldMedal Yongwoon Park (2 out of 4 patents)


2 patents:

1. 10751653 - Head assembly for water purification filter (2020-08-25),
2. 10662997 - Roller assembly for storage device (2020-05-26),
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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#1 in Jinju-si, Gyeongsangnam-do

#3,602 in South Korea

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Jinju-si, Gyeongsangnam-do, South Korea

Cheonghosystem Co., Ltd.

Forward Citations = 7

1 inventor:

goldMedal Yongwoon Park (2 out of 4 patents)

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