IP Library Assignment 044976/0053
Patent Assignment
Reel/Frame 044976/0053

Assignment of Assignor's Interest

Recorded: 2018-02-20 Pages: 2
Assignors
ZHOU, WENSHENG
Executed: 2016-03-01
HUBBARD, MICHAEL
Executed: 2016-03-01
Assignee
FIRESTONE BUILDING PRODUCTS CO., LLC
200 4TH AVENUE SOUTH, NASHVILLE, TENNESSEE, 37201
Covered Property (1)
Method for Manufacturing Asphaltic Sheet Materials Including Expandable Graphite
Application: 15/899,838 →
Publication: US 2018/0179385
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 6, 2022
From: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 061034/0752 →
Assignment of Assignor's Interest Aug 29, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 072744/0001 →