IP Library › Assignment 055503/0568
Patent Assignment
Reel/Frame 055503/0568

Assignment of Assignor's Interest

Recorded: 2021-03-05 Pages: 2
Assignors
ZHOU, WENSHENG
Executed: 2015-06-11
HUBBARD, MICHAEL J.
Executed: 2015-06-11
CARR, JOSEPH
Executed: 2015-06-11
Assignee
FIRESTONE BUILDING PRODUCTS COMPANY, LLC
200 4TH AVENUE SOUTH, NASHVILLE, TENNESSEE, 37201
Covered Property (1)
Thermoplastic Membranes Containing Expandable Graphite
Application: 17/193,000 →
Publication: US 2021/0187921
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 14, 2022
From: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 060366/0033 →
Assignment of Assignor's Interest Aug 29, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 072740/0505 →