IP Library Assignment 068180/0195
Patent Assignment
Reel/Frame 068180/0195

Assignment of Assignor's Interest

Recorded: 2024-08-05 Pages: 5
Assignors
LI, QINGHUA
Executed: 2023-09-28
HEMPHILL, MARK K.
Executed: 2023-09-28
Assignee
UNITED STATES GYPSUM COMPANY
550 WEST ADAMS STREET, CHICAGO, ILLINOIS, 60661
Covered Property (1)
Fire Resistant Gypsum Board Comprising Silica Fume and Related Methods
Application: 18/749,520 →
Publication: US 2025/0109069
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 8, 2025
From: UNITED STATES GYPSUM COMPANY
To: KNAUF GIPS KG
Reel/Frame 071630/0796 →