Patent Assignment
Reel/Frame 021882/0723
Assignment of Assignor's Interest
Recorded: 2008-11-24
Pages: 3
Assignor
YEUNG, LEE K.
Executed: 2008-11-20
Assignee
UNITED STATES GYPSUM COMPANY
550 WEST ADAMS STREET, CHICAGO, ILLINOIS, 60661-3676
Covered Property
(1)
Multi-Layer Acoustical Plaster System
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.