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For the Inventor, By the Inventor

Hong Kong, China

Daka Development Ltd.


USPTO Granted Patents = 3

Forward Citations = 29

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1 inventor (with patents filed for the assignee):

goldMedal Pat Y Mah (3 out of 57 patents)


3 patents:

1. D511340 - Transducer (2005-11-08),
2. D502698 - Electronics housing (2005-03-08),
3. 6202343 - Portable electric vacuum wired to terminate and dispose of pests (2001-03-20),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#900 in Hong Kong

#7,227 in China

...
Hong Kong, China

Daka Development Ltd.

Forward Citations = 29

1 inventor:

goldMedal Pat Y Mah (3 out of 57 patents)

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