ZZ

Zhiqun Zhang

3M: 2 patents #192 of 1,204Top 20%
📍 Roseville, MN: #8 of 72 inventorsTop 15%
🗺 Minnesota: #643 of 4,860 inventorsTop 15%
Overall (2003): #34,360 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D484228 Air cleaner Robert M. Swinehart 2003-12-23
6589317 Structured surface filtration media array Tien T. Wu, Yuan-Ming Tang, Brian E. Spiewak 2003-07-08