Patent Assignment
Reel/Frame 058348/0171
Assignment of Assignor's Interest
Recorded: 2021-12-09
Pages: 7
Assignors
LI, QINGHUA
Executed: 2021-12-02
DUBEY, ASHISH
Executed: 2021-12-07
HEMPHILL, MARK
Executed: 2021-12-03
Assignee
UNITED STATES GYPSUM COMPANY
550 WEST ADAMS STREET, CHICAGO, ILLINOIS, 60661-3676
Covered Property
(1)
Methods of Removing Chloride from Gypsum Having High Level of Chloride Salt
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.