Inventor
DU HONGLI
US7 patents
⚠️ This page may combine multiple inventors who share the name “DU HONGLI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRECO IND INC
4 patentsUS6666122B2Dec 23, 2003
Web or sheet-fed apparatus having high-speed mechanism for simultaneous X, Y and θ registration and method
PRECO IND INC16 citations90
US6546833B1Apr 15, 2003
Flexible circuit cutting apparatus and method having indexing and registration mechanism
PRECO IND INC21 citations89
US7640836B1Jan 5, 2010
Method for simultaneous x, y and θ registration of segment of continuous web with a processing station
PRECO IND INC11 citations82
US6871571B2Mar 29, 2005
Web or sheet-fed apparatus having high-speed mechanism for simultaneous X,Y and theta registration
PRECO IND INC13 citations82