Inventor

PANG YUMING

US3 patents

Patents

3 patents

US7731425B2Jun 8, 2010

Polywoven pinch bottom open mouth bag

STANDARD MULTIWALL BAG MFG CO73 citations94

US6623162B2Sep 23, 2003

Block bottom bag

STANDARD MULTIWALL BAG MFG CO9 citations67

US9139339B2Sep 22, 2015

Easy open apparatus and method for multi-ply bags

STANDARD MULTIWALL BAG MFG CO1 citations48