Patent Assignment
Reel/Frame 033734/0677
Assignment of Assignor's Interest
Recorded: 2014-09-12
Pages: 3
Assignor
LAFARGE NORTH AMERICA INC.
Executed: 2011-06-24
Assignee
LAFARGE
61 RUE DES BELLES FEUILLES, PARIS, 75116, FRANCE
Covered Property
(1)
Low Density Cementitious Compositions Using Limestone
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 12, 2014
From: CARRUTHERS, BILL; LEHOUX, PAUL; DADERKO, GREG
To: LAFARGE
Reel/Frame 033734/0643 →
Assignment of Assignor's Interest
Sep 12, 2014
From: WOYTOWICH, WES
To: LAFARGE NORTH AMERICA INC.
Reel/Frame 033734/0662 →
Assignment of Assignor's Interest
Nov 30, 2018
From: LAFARGE
To: LAFARGEHOLCIM LTD
Reel/Frame 047634/0302 →
Assignment of Assignor's Interest
Dec 18, 2018
From: LAFARGEHOLCIM LTD
To: HOLCIM TECHNOLOGY LTD
Reel/Frame 047806/0548 →
Assignment of Assignor's Interest
Aug 14, 2025
From: HOLCIM TECHNOLOGY LTD
To: AMRIZE TECHNOLOGY SWITZERLAND LLC
Reel/Frame 073207/0820 →