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For the Inventor, By the Inventor

Daejeon, South Korea

Khanfilter, Inc.


USPTO Granted Patents = 1


Trademarks = 1

Forward Citations = 0

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1 inventor (with patents filed for the assignee):

goldMedal Dae Gon Han (1 out of 4 patents)


1 patent:

1. 11885527 - Air purification device (2024-01-30),
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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#310 in Daejeon

#5,496 in South Korea

...
Daejeon, South Korea

Khanfilter, Inc.

Forward Citations = 0

1 inventor:

goldMedal Dae Gon Han (1 out of 4 patents)

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