ZZ

Zhiqun Zhang

3M: 1 patents #327 of 1,069Top 35%
📍 Roseville, MN: #11 of 52 inventorsTop 25%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #53,292 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5647881 Shock resistant high efficiency vacuum cleaner filter bag John C. Winters 1997-07-15