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For the Inventor, By the Inventor

Hong Kong, China

Dialfone, Ltd.


USPTO Granted Patents = 3

Forward Citations = 17

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2 inventors (with patents filed for the assignee):

goldMedal Chan Wai Keung (2 out of 3 patents)

silverMedal William Chung (1 out of 1 patent)


3 patents:

1. D350131 - Telephone (1994-08-30),
2. D347633 - Telephone (1994-06-07),
3. D306442 - Telephone set (1990-03-06),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#902 in Hong Kong

#7,260 in China

...
Hong Kong, China

Dialfone, Ltd.

Forward Citations = 17

2 inventors:

goldMedal Chan Wai Keung (2 out of 3 patents)

silverMedal William Chung (1 out of 1 patent)

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