IP Library Assignment 048364/0680
Patent Assignment
Reel/Frame 048364/0680

Assignment of Assignor's Interest

Recorded: 2019-02-19 Pages: 6
Assignors
LETTS, JOHN B.
Executed: 2019-02-14
YAO, CHUNHUA
Executed: 2019-02-12
HUBBARD, MICHAEL J.
Executed: 2019-02-15
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: 16/326,394 →
Publication: US 2019/0225766
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 →