Patent Assignment
Reel/Frame 022900/0889
Assignment of Assignor's Interest
Recorded: 2009-07-01
Pages: 5
Assignors
HAYAKAWA, KEIICHIRO
Executed: 2009-05-12
OGATA, YUKO
Executed: 2009-05-11
LABRANCHE, MARC H.
Executed: 2009-05-05
SMITH, JEROME DAVID
Executed: 2009-05-05
HANG, KENNETH WARREN
Executed: 2009-05-05
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property
(1)
Resistor Compositions Using a Cu-Containing Glass Frit
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 →