IP Library Assignment 067507/0243
Patent Assignment
Reel/Frame 067507/0243

Assignment of Assignor's Interest

Recorded: 2024-05-23 Pages: 4
Assignors
LETTS, JOHN
Executed: 2018-03-08
YAO, CHUNHUA
Executed: 2018-03-08
HUBBARD, MICHAEL
Executed: 2018-03-09
Assignee
FIRESTONE BUILDING PRODUCTS COMPANY, LLC
200 4TH AVENUE SOUTH, NASHVILLE, TENNESSEE, 37201
Covered Property (1)
Process for Producing Isocyanate-Based Foam Construction Boards
Application: 18/671,552 →
Publication: US 2024/0309160
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 23, 2024
From: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 067507/0389 →
Assignment of Assignor's Interest Sep 3, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 072793/0227 →