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For the Inventor, By the Inventor

Guangdon, China

Urban Sporting Goods


USPTO Granted Patents = 2


Forward Citations = 21

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3 inventors (with patents filed for the assignee):

goldMedal Mitchell I Kieffer (2 out of 19 patents)

silverMedal Craig S Aizman (2 out of 5 patents)

bronzeMedal Wang Kuo Hua (2 out of 3 patents)


2 patents:

1. 7048094 - Extending ladder and associated manufacturing methods (2006-05-23),
2. 6883645 - Extending ladder and associated manufacturing methods (2005-04-26),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#9 in Guangdon

#10,022 in China

...
Guangdon, China

Urban Sporting Goods

Forward Citations = 21

3 inventors:

goldMedal Mitchell I Kieffer (2 out of 19 patents)

silverMedal Craig S Aizman (2 out of 5 patents)

bronzeMedal Wang Kuo Hua (2 out of 3 patents)

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