IP Library Assignment 037543/0385
Patent Assignment
Reel/Frame 037543/0385

Assignment of Assignor's Interest

Recorded: 2016-01-21 Pages: 6
Assignors
ZHOU, WENSHENG
Executed: 2014-07-29
SOPKO, ALLEN
Executed: 2014-07-29
HUBBARD, MICHAEL J
Executed: 2016-01-11
CARR, JOSEPH
Executed: 2014-07-30
Assignee
FIRESTONE BUILDING PRODUCTS CO.,LLC
250 WEST 96TH STREET, INDIANAPOLIS, INDIANA, 46260
Covered Property (1)
Fire-Resistant Roof System and Membrane Composite
Patent: 9,523,203 →
Application: 14/162,273 →
Publication: US 2014/0215937
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 →