IP Library › Assignment 062209/0631
Patent Assignment
Reel/Frame 062209/0631

Assignment of Assignor's Interest

Recorded: 2022-12-22 Pages: 4
Assignors
LETTS, JOHN B.
Executed: 2022-12-07
YAO, CHUNHUA
Executed: 2022-12-07
HOLTMAN, MARK
Executed: 2022-12-13
Assignee
HOLCIM TECHNOLOGY LTD
GRAFENAUWEG 10, 6300 ZUG, SWITZERLAND
Covered Property (1)
Process to Yield Foam Construction Boards with Low Surface Irregularities
Application: 17/577,989 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 2, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 072795/0105 →