IP Library › Assignment 048061/0419
Patent Assignment
Reel/Frame 048061/0419

Assignment of Assignor's Interest

Recorded: 2019-01-18 Pages: 2
Assignor
ZHOU, WENSHENG
Executed: 2012-07-18
Assignee
FIRESTONE BUILDING PRODUCTS CO., LLC
200 4TH AVENUE SOUTH, NASHVILLE, TENNESSEE, 37201
Covered Property (1)
Asphaltic Membrane with Mullite-Containing Granules
Application: 16/252,032 →
Publication: US 2019/0169848
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 26, 2022
From: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 060920/0869 →
Assignment of Assignor's Interest Aug 28, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 073030/0406 →