IP Library Assignment 026478/0225
Patent Assignment
Reel/Frame 026478/0225

Assignment of Assignor's Interest

Recorded: 2011-06-16 Pages: 9
Assignors
LABRANCHE, MARC H.
Executed: 2009-08-27
HANG, KENNETH WARREN
Executed: 2009-08-11
OGATA, YUKO
Executed: 2009-08-18
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Lead-Free Resistive Composition
Patent: 8,257,619 →
Application: 12/425,048 →
Publication: US 2011/0089381
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 →