BL

Baiyuan Lu

Overall (All Time): #3,596,107 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6299340 Feeding apparatus and method in spiral engagement of extruder Yanchang Liu, Pengzhen Liu 2001-10-09