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For the Inventor, By the Inventor

Hong Kong, China

Tung on Development Co. Ltd.


USPTO Granted Patents = 3

Forward Citations = 55

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1 inventor (with patents filed for the assignee):

goldMedal Thomas D Tweedie (3 out of 8 patents)


3 patents:

1. D269275 - Illuminated magnifier (1983-06-07),
2. D269185 - Illuminated magnifier (1983-05-31),
3. D269184 - Illuminated magnifier (1983-05-31),
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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

Tung on Development Co. Ltd.

Forward Citations = 55

1 inventor:

goldMedal Thomas D Tweedie (3 out of 8 patents)

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