Patent Assignment
Reel/Frame 018921/0381
Assignment of Assignor's Interest
Recorded: 2007-02-22
Pages: 3
Assignors
WANG, YUELI
Executed: 2004-10-08
OLLIVIER, PATRICIA J.
Executed: 2004-10-11
NEEDES, CHRISTOPHER R.
Executed: 2004-10-08
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property
(1)
Thick Film Conductor Case Compositions for Ltcc Tape
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT ELECTRONICS, INC.
Reel/Frame 049583/0269 →
Assignment of Assignor's Interest
Dec 20, 2022
From: DUPONT ELECTRONICS, INC.
To: DU PONT CHINA LIMITED
Reel/Frame 062173/0299 →
Change of Name
Mar 20, 2025
From: DU PONT CHINA LIMITED
To: CELANESE MERCURY HOLDINGS INC.
Reel/Frame 070567/0231 →