IP Library Assignment 018534/0227
Patent Assignment
Reel/Frame 018534/0227

Assignment of Assignor's Interest

Recorded: 2006-11-17 Pages: 3
Assignors
YU, QIANG
Executed: 2006-10-06
SONG, WEIXIN DAVID
Executed: 2006-10-06
Assignee
UNITED STATES GYPSUM COMPANY
125 S. FRANKLIN STREET, CHICAGO, ILLINOIS, 60606
Covered Property (1)
Composite Light Weight Gypsum Wallboard
Patent: 7,736,720 →
Application: 11/537,395 →
Publication: US 2007/0059513