IP Library › Assignment 035296/0311
Patent Assignment
Reel/Frame 035296/0311

Assignment of Assignor's Interest

Recorded: 2015-03-31 Pages: 4
Assignors
WANG, HAO
Executed: 2014-06-13
ZHOU, WENSHENG
Executed: 2014-07-22
CARR, JOSEPH
Executed: 2014-07-22
Assignee
FIRESTONE BUILDING PRODUCTS CO., LLC
250 WEST 96TH ST., INDIANAPOLIS, INDIANA, 46260
Covered Property (1)
Roofing Membranes with Expandable Graphite as Flame Retardant
Patent: 9,611,639 →
Application: 14/369,003 →
Publication: US 2014/0373467
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 072740/0505 →