Patent Assignment
Reel/Frame 026701/0636
Assignment of Assignor's Interest
Recorded: 2011-08-04
Pages: 10
Assignors
WOYTOWICH, WES
Executed: 2011-07-25
CARRUTHERS, BILL
Executed: 2011-07-20
LEHOUX, PAUL
Executed: 2011-07-21
DADERKO, GREG
Executed: 2011-07-13
Assignee
LAFARGE
61 RUE DES BELLES FEUILLES, PARIS, 75116, FRANCE
Covered Property
(1)
Low Density Cementitious Compositions Using Lime Kiln Dust
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →