IP Library Assignment 022648/0642
Patent Assignment
Reel/Frame 022648/0642

Assignment of Assignor's Interest

Recorded: 2009-05-06 Pages: 3
Assignors
PAXTON, COLIN
Executed: 2009-04-20
WEICHINGER, MICHAEL
Executed: 2009-04-24
Assignee
LAFARGE
61 RUE DES BELLES FEUILLES, PARIS, F-75116, FRANCE
Covered Property (1)
Process for the Production of Cement
Patent: 8,252,109 →
Application: 12/513,824 →
Publication: US 2010/0037804
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 18, 2019
From: LAFARGE
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 048061/0707 →
Assignment of Assignor's Interest Aug 14, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 073207/0820 →