IP Library Assignment 052036/0272
Patent Assignment
Reel/Frame 052036/0272

Assignment of Assignor's Interest

Recorded: 2020-03-06 Pages: 2
Assignors
LETTS, JOHN B.
Executed: 2016-10-14
HUBBARD, MICHAEL J.
Executed: 2016-10-14
Assignee
FIRESTONE BUILDING PRODUCTS COMPANY, LLC
200 4TH AVENUE SOUTH, NASHVILLE, TENNESSEE, 37201
Covered Property (1)
Process for Encapsulating Fragile Insulation Materials Within Polyisocyanurate
Application: 16/811,073 →
Publication: US 2020/0206988
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 072744/0001 →