For the Inventor, By the Inventor

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Fo Tan, N.T, Hong Kong, China

Rhi Limited

USPTO Granted Patents = 1

Trademarks = 1

Forward Citations = 8

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4 inventors (with patents filed for the assignee):

Chi Keung Rudy Chan (1 out of 1 patent)

Lam Lung Yeung (1 out of 1 patent)

Yee Lam Chan (1 out of 1 patent)

4. Ka Tung Ho (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 8709137 - Method and apparatus for disinfecting and deodorizing a toilet system (2014-04-29),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#1,764 in Fo Tan, N.T, Hong Kong

#16,043 in China

Fo Tan, N.T, Hong Kong, China

Rhi Limited

Forward Citations = 8

4 inventors:

Chi Keung Rudy Chan (1 out of 1 patent)

Lam Lung Yeung (1 out of 1 patent)

Yee Lam Chan (1 out of 1 patent)

4. Ka Tung Ho (1 out of 1 patent)

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