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Inventor profile of:

Qingfeng Li

City:

Beijing City

Country:

China

Published Applications:

1

Last publication date:

2005-03-24

Top Assignees for applications by Qingfeng Li

The entities that hold a legal rights for patent applications filed by inventor Li Qingfeng:

Yongxi Weng 1 Beijing, China

Recent patent applications by Li Qingfeng

Qingfeng Li from Beijing City, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2005-03-24

US20050061689A1

Performing operations; transporting

Sanitary cigarette case

InventorID:

4809892 ⎘