Patent Assignment
Reel/Frame 061344/0117
Assignment of Assignor's Interest
Recorded: 2022-10-07
Pages: 5
Assignor
FIRESTONE BUILDING PRODUCTS COMPANY, LLC
Executed: 2022-04-04
Assignee
HOLCIM TECHNOLOGY LTD
GRAFENAUWEG 10, 6300 ZUG, SWITZERLAND
Covered Property
(1)
Asphaltic Sheet Materials Including Expandable Graphite
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 7, 2022
From: ZHOU, WENSHENG; KIRK, DONALD R.; BLACK, LANCE; YOUNG, JAMES
To: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
Reel/Frame 061344/0032 →
Assignment of Assignor's Interest
Nov 25, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 073701/0847 →