IP Library Assignment 055782/0855
Patent Assignment
Reel/Frame 055782/0855

Assignment of Assignor's Interest

Recorded: 2021-03-31 Pages: 3
Assignors
LETTS, JOHN B.
Executed: 2021-03-31
YAO, CHUNHUA
Executed: 2021-03-31
Assignee
FIRESTONE BUILDING PRODUCTS COMPANY, LLC
200 4TH AVENUE SOUTH, NASHVILLE, TENNESSEE, 37201
Covered Property (1)
Process for Producing Isocyanate-Based Foam Construction Boards
Application: 63/133,557 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 19, 2022
From: FIRESTONE BUILDING PRODUCTS COMPANY, LLC
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 061141/0683 →