IP Library › Assignment 056830/0318
Patent Assignment
Reel/Frame 056830/0318

Assignment of Assignor's Interest

Recorded: 2021-07-12 Pages: 6
Assignors
LETTS, JOHN B.
Executed: 2019-01-31
TANG, JIANSHENG
Executed: 2019-01-31
HUBBARD, MICHAEL J.
Executed: 2019-06-26
Assignee
FIRESTONE BUILDING PRODUCTS COMPANY, LLC
200 4TH AVENUE SOUTH, NASHVILLE, TENNESSEE, 37201
Covered Property (1)
Construction Boards with Foil-Containing Facers
Application: 17/422,442 →
Publication: US 2022/0088899
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 19, 2022
From: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 061141/0683 →
Assignment of Assignor's Interest Sep 2, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 072795/0105 →