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For the Inventor, By the Inventor

Seoul, South Korea

Disk Dr. Co., Ltd.


USPTO Granted Patents = 2

Trademarks = 5

Forward Citations = 17

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1 inventor (with patents filed for the assignee):

goldMedal Ki Yong Chang (2 out of 23 patents)


2 patents:

1. D916384 - Knee pad (2021-04-13),
2. D908974 - Knee pad (2021-01-26),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#1,172 in Seoul

#3,610 in South Korea

...
Seoul, South Korea

Disk Dr. Co., Ltd.

Forward Citations = 17

1 inventor:

goldMedal Ki Yong Chang (2 out of 23 patents)

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