Patent Assignment
Reel/Frame 027978/0755
Assignment of Assignor's Interest
Recorded: 2012-04-03
Pages: 4
Assignors
DE BOER, PAUL
Executed: 2011-12-01
CHENG, YIU CHUNG
Executed: 2011-12-01
LANKSHEAR, MICHAEL DAVID
Executed: 2011-12-01
SMURA, CATHERINE FRANCES
Executed: 2012-03-01
VERBIST, GUY LODE MAGDA MARIA
Executed: 2012-03-01
POSTHUMUS, WILLEM
Executed: 2012-03-30
Assignee
SHELL OIL COMPANY
P.O. BOX 2463, ONE SHELL PLAZA, HOUSTON, TEXAS, 772522463
Covered Property
(1)
Process for Preparing a Sulphur Cement Product
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 19, 2012
From: DE BOER, PAUL; CHENG, YIU CHUNG; LANKSHEAR, MICHAEL DAVID; VERBIST, GUY LODE MAGDA MARIA
To: SHELL OIL COMPANY
Reel/Frame 027557/0863 →
Assignment of Assignor's Interest
Mar 5, 2012
From: SMURA, CATHERINE FRANCES; VERBIST, GUY LODE MAGDA MARIA
To: SHELL OIL COMPANY
Reel/Frame 027802/0916 →
Change of Name
Mar 7, 2022
From: SHELL OIL COMPANY
To: SHELL USA, INC.
Reel/Frame 059694/0819 →