Patent Assignment
Reel/Frame 058613/0840
Assignment of Assignor's Interest
Recorded: 2022-01-11
Pages: 7
Assignors
LI, QINGHUA
Executed: 2021-04-20
DUBEY, ASHISH
Executed: 2021-04-26
D'ANNA, NICHOLAS
Executed: 2021-04-20
Assignee
UNITED STATES GYPSUM COMPANY
550 WEST ADAMS STREET, CHICAGO, ILLINOIS, 60661-3676
Covered Property
(1)
Calcium Aluminate Cement and Calcium Sulfoaluminate Cement Catalysts in Gypsum Panels and Use Thereof
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 16, 2021
From: UNITED STATES GYPSUM COMPANY
To: KNAUF GIPS KG
Reel/Frame 058404/0077 →
Assignment of Assignor's Interest
Aug 25, 2022
From: UNITED STATES GYPSUM COMPANY
To: KNAUF GIPS KG
Reel/Frame 060898/0295 →
Corrective Assignment to Correct the the Attorney Docket Number Previously Recorded at Reel: 060898 Frame: 0295 . Assignor(S) Hereby Confirms the Assignment.
Sep 6, 2022
From: UNITED STATES GYPSUM COMPANY
To: KNAUF GIPS KG
Reel/Frame 061377/0389 →