Patent Assignment
Reel/Frame 067677/0951
Assignment of Assignor's Interest
Recorded: 2024-06-10
Pages: 5
Assignor
FIRESTONE BUILDING PRODUCTS COMPANY, LLC
Executed: 2022-04-04
Assignee
HOLCIM TECHNOLOGY LTD
GRAFENAUWEG 10, ZUG, 6300, SWITZERLAND
Covered Property
(1)
Process for Producing Isocyanate-Based Foam Construction Boards
Application:
18/739,159 →
Publication:
US 2024/0327592
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 10, 2024
From: LETTS, JOHN B.; YAO, CHUNHUA; HUBBARD, MICHAEL J.
To: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
Reel/Frame 067677/0925 →
Assignment of Assignor's Interest
Sep 3, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 072793/0227 →