Patent Assignment
Reel/Frame 055848/0513
Assignment of Assignor's Interest
Recorded: 2021-04-07
Pages: 6
Assignors
LI, QINGHUA
Executed: 2021-03-29
DUBEY, ASHISH
Executed: 2021-04-06
HEMPHILL, MARK
Executed: 2021-04-06
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
Application:
63/171,624 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.