IP Library Assignment 066137/0977
Patent Assignment
Reel/Frame 066137/0977

Assignment of Assignor's Interest

Recorded: 2024-01-16 Pages: 5
Assignors
YAO, CHUNHUA
Executed: 2019-10-31
LETTS, JOHN B.
Executed: 2019-10-31
HUBBARD, MICHAEL J.
Executed: 2019-10-18
Assignee
FIRESTONE BUILDING PRODUCTS COMPANY, LLC
200 4TH AVENUE SOUTH, NASHVILLE, TENNESSEE, 37201
Covered Property (1)
Foam Construction Boards with Enhanced Fire Performance
Application: 18/412,854 →
Publication: US 2024/0149551
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 16, 2024
From: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 066138/0011 →
Assignment of Assignor's Interest Sep 2, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 072795/0851 →